That's a good point.
Somewhat understandably, many people seem to be jumping to the conclusion that a lot of the campmates are purely harbouring grudges based on preconceptions (re Covid) and that's the reason they're not warming to MH.....
....but he's shown selfish, inconsiderate behaviour - leaving his crap in the washbowl, more than once (and getting all funny when he was called out for it), asking for veg when he's just come back from stuffing his face and most of his campmates were relatively hungry, giving himself 2 bones at dinner last night when there weren't enough to go around and at least one other person had none...etc..
Those things might sound trivial but, when living in such close quarters, that's the kind of stuff that causes tension in any series, regardless of who's there.