Responses
Yes, because him being normal in a weird family, makes him the weird one for the family and the weirdos normal. The only normal one was not allowed to interact with the children anymore.
The artist make a mistake in keeping Chase eyes violet in flashbacks into his childhood, because the mainfested late. So Chase became weird later, much later than his siblings, which makes him less weird, but also gave him trauma growing up like this.
The fact that Chase is thought to be the weird one for crying Because in the family full of these psycho, he's the only normal one. HE'S LITERALLY BEING CALLED WEIRD FOR BEING NORMAL