I'm just gunna say it :- he won't be winning any modelling contracts, that's for sure. He wasn't blessed with the best gene pool.
The absolute state of his hair, I know she's had it cut since but that is seriously more neglect than wishing for it to be boy-bun material.
I would also say he has some kind of sensory or developmental delay / issues. Whether she plays a part in that by letting the TV talk and not speaking / encouraging him with words and sounds or not, she's stayed he just grunts and she fetches. He will learn that's how to communicate and become a lazy talker.
What's the deal with her making him eat? She'd get more help/ support if she let him do his natural thing and if he was to lose weight as a result, it would get her to referral ls she's craving for a dietitian or paediatrician as she can't wait to push "an issue" on him. She's obsessed with illnesses