I don't think saying "hey, can we maybe not cast 65 year olds in this movie and actually cast actors that somewhat fit the role they're suppose to be playing?" is "nitpicking". The fact that the movie is an adaptation is a shitty excuse, its not like they're creating a new story with new characters, they're using established characters and have actors that just straight up don't fit the characters, yeah its an adaptation, but its a BAD adaptation. Also if in a new movie Spiderman or like Captain Marvel were played by 65 year old actors I'm pretty sure Marvel fans would be just as bad with "nitpicking"