There is no dislike between the average Spaniard and Portuguese. Not sure where this idea even comes from? Historical rivalries aside, the last real conflict between the two countries occurred over 200 years ago. Long gone are the days of 1580-1640. There is a reason why the oldest border in Europe is the Spanish-Portuguese one. No need to mention the close linguistic, cultural, religious, geographic, ancestral etc. ties between the two nations. Heck, in Spain we even have pseudo-Portuguese people called Galicians.
The football rivalry is intact but you don't really feel it that much. It has probably something to do with Spain, at least in this century, mostly ending up victorious or advancing whenever the two neighbors have played each other. I only recall the 2004 EURO exit to Portugal. Even the recent Nations League meeting was a Spain win. Not sure how our Portuguese friends are looking at this rivalry but if the appointment of a Spanish manager is anything to go by, they probably look at this rivalry in a similar way.
I see a lot of criticism that Roberto Martínez was appointed. I think that this is a somewhat harsh criticism. Belgium were one of the best teams during the 2018 World Cup where they won bronze. IMO the best achievement of Belgium to date. 3 years later Belgium lost against the champions Italy during the 2020 EUROS. If not for Lukaku being an absolute donkey in front of goal against Croatia, Belgium would likely have progressed and probably advanced against Japan. A Belgium team and a Belgium "golden generation" that in many ways is past its best.
Anyway what was exactly the alternative? Mourinho is finished and would be an appointment not much different from continuing with Santos. There was Jorge Jesus who would probably have been a better pick, Portuguese as well, but I have heard that he has a difficult personality and we don't know if he declined such a job.
Most top managers don't really want to manage national teams until they get old. Van Gaal would have been an interesting pick though but the current version of Van Gaal is extremely pragmatic and not that far from Santos.
I mean look at Lionel Scaloni in Argentina. Before he became a NT coach and won all 3 trophies that he can win in the span of 1.5 years, he was a nobody in terms of managerial experience and not many years ago he was even a part of the freak show that is El Chiringuito de Jugones.
I think that Martínez style (pragmatic + offensive football) would fit the current Portugal squad. He has to part ways with C. Ronaldo though to start a new chapter.
I have zero problems with having a spanish manager and I think for the Federation is the same.
We have an inferiority complex in football regarding other nations (like Spain), despite what we say we still consider us to be a "small" nation and not on the same level as powerhouses like Spain.
This mentality is everywhere in the portuguese national team from the players to the president.
This is why we never go extra like other equally good teams go, say Spain, Germany, etc, have destroyed (not just defeated) other big teams when given the chance while we just do "good enough" and don't ambition more.
The point is what you said, is Martínez the real thing we needed?
What are his attributes that makes him good for the job?
Does he have a specific philosophy we want to implement?
What separates him from other random (portuguese or not) managers?
Which is strange as your current crop of players are IMO more talented than Spain's let alone Italy's. Which is no easy feet for a nation of 10 million people. As I see it, Portugal has always punched above its weight in European club football, mainly courtesy of Benfica and Porto. No need to mention the many great Portuguese players throughout history.
The Portuguese NT should probably have won more honors other than just the Euro win in 2016 but on the other hand the same could be said about many nations, Spain included, who until recently, aside from the 1964 Euro win, was a notorious underachiever despite much great talent. What to say about the Netherlands?
Anyway I thought that this supposed Portuguese inferiority complex pretty much ended in 2016 and in the past 20 years given the many great Portuguese players in European football and in particular the rise of C. Ronaldo?
Anyway how do you and other Portuguese people see the future role of C. Ronaldo for the national team? The next tournament is the Euro in 2024. By then he will be 39 years, approaching 40 years. Surely he won't and should not play a role by then? If so, would it not be easier to call it a day with him from March on (give him his deserved testimonial and be done with it) or do you think that C. Ronaldo would love to further stat pad (now that he is in KSA of all places) against the likes of Liechtenstein, Luxembourg, Iceland, Slovakia and Bosnia? (Talk about an easy group, lol).