The Australian channel I saw this on were commenting on the Denmark situation and saying it's becoming a bigger concern than it was because he has looked increasingly poor for them. I don't watch Denmark, but it doesn't surprise me to hear that.
A lot of talk in this thread is about service and what not, but if you watch Hojlund, and Hojlund alone, his movement, choices, reading of play, hesitancy and overall game in complete isolation you see these are not the actions of a striker who is doing the right things to suddenly burst into life - he isn't being unlucky; his actions are not conducive to scoring or even being constructive and it is reflected in what can be seen in and of himself.
You can throw in external factors after the above, not before. If a striker is doing the right things, all the negative attention and criticism will go toward those letting him down by not providing, but if the striker isn't doing what he's supposed to, those factors are effectively redundant because other forwards and attack-minded midfielders will simply select another option or go it alone bypassing the poor option who isn't working toward a constructive end.
If a striker is constantly making good-great runs or is open and others ignore him, they'll be benched or severely bollocked. If he isn't, the spotlight turns back on the striker.
Watching Hojlund here and at the Euros, the lack of guile and cunning is a real standout in the way he plays his football. He effectively takes himself out of games so far as being an offensive threat. The wrestling with CB's thing is baffling; he does it more than actual bruiser CF's who were exceptional at it, the likes of Duncan Ferguson, Alan Shearer or Didier Drogba, what's more, it's a style from a bygone era - you don't see CF's doing it to that extent in this day and age as it serves little purpose with the way teams set up these days; slickness and elusiveness is far more valuable. I don't believe anyone is instructing him to do it, in fact, you'd think he's been actively told not to do that as it is a waste of energy and doesn't benefit him or the team as it isn't being done tactically.
You'd hope Amorim sits him down, gets out the footage and goes through the things he shouldn't be doing with a fine-toothed comb. He's harming himself and his opportunity to lockdown the position with the way he is playing his football.
Very good post, but I have to disagree on the movement part. It is glaringly obvious that some of our players are reluctant to pass the ball to him, and while that might be justified in some cases, it is not a healthy approach to our attacking football.
In the last few games, I've been actively watching Højlund and trying to understand what is going on about him and his attacking colleagues, and in each and every one of these games, he made at least one run/move that could have easily been a goal.
Against PAOK, it was a sprint he made immediately as Bruno made that excellent pass to Amad who had Højlund free in the box for a tap-in, but decided to shoot himself. There was not a single mention of this that I remember or that I've seen in this thread.
Against Chelsea, he made a move that could have been a cutback goal if Garnacho had lifted his head. Instead, he basically passed it into Sanchez. I will never understand why wingers don't look up, or why they even decide to "cross" directly where the keeper is standing.
Now, these are very small samples, and I'm not saying his movement is world class, but these could have been goals if he had been passed to, and he would not have received as much criticism in here. I don't necessarily think that your point on the negative attention being redirected to the ones not supplying him is correct, because I seldom see it mentioned no matter what kind of runs Højlund makes. He doesn't make them enough, though, I agree 100% with that. I'd just like to see the passes being made when he does it, as it is more likely to lead to a goal.
On the other hand - like you've pointed out before - he never should have been a starting striker for us to begin with, but I thought he showed some nice qualities initially, particularly for someone his age. These - other than his hold-up play - seem to have regressed. I don't know if it is coaching, lack of confidence or him just being raw, but the fact that even his movement has become worse probably has something to do with playing with Garnacho who simply hates giving the ball to him. At times, they genuinely seem to dislike each other on the pitch, and it is a bit reminiscent of a younger Vinicius and Benzema.
Let's hope Amorim can get more out of them both, but one thing is a certainty, and that is that we need a much better main striker.