Good to see a different perspective, but its a bit like stats, you cna always bring out once to paint a favourable view. Dont get your first paragraph at all, he may be behaving on the touchline, but he is publicly slating players in interviews, he is sniping about ,amy other things within the club too....thing he isnt and wont learn at all, which shows he is actually more stubborn than intelligent...and he is very intelligent, so its sad.
As for signing and developing youth Ibrahimovic. Matic, Miki, Sanchez....that is half of his signings before this window being nearer 30 and two of them have already left the club. Lindelof may be young, but was a bang average signing when we needed a really good one so we still have the same problem this summer. I dont think he will ever be a top defender and personal opinion, I dont rate Lukaku as a title winning striker at all eiterh that is just personal opinion. Lingard also is in his mid twenties, he is hardly young, though I so think Mourinho has done very well with him. McTominay I can agree with, though again just personal opinion, think he has done well but I dont rate him. Pogba may have been young when we signed him but lets not forget this is a player that had one Serie A on a few occasions and also played in the latter stages of the champions league a couple of times, didnt he play in a final? All before we signed him, so hardly an inexperienced player.
I also really dont get the slating of the Glazers backing wise. We have in the last few years made Galatio signings several times fee wise with Lukaku, Pogba and DiMaria even all the way back to Mata. We have paid out crazy fees to agents and also far more on wages for certain players than other premiership clubs. I am sure out net spend must be right up there with the biggest clubs around the globe the last few years.
This is Mourinhos thirds season lets not forget, so fully correct to judge him by the end of it. I know we were second last year but do we look anywhere near an actual team as Klopp last year after his January signings had a very competitive side the second half of the season, reached the cl final and played entertaining football. Pocchetino after three years, spending nothing like we have has a proper team, playing entertaining football who were very competitive in the cl. Both did this in a three year period taking over pretty average squads and both have promoted youth within those sides.
It could be forgiven towards longer term like you say IF we were showing signs of becoming a proper team and we were playing entertaining football that pleases the fans....neither look close currently.