Abo dynamic is ni different than real world gender bias how women suffer in higher or lower post both area against men just as in Alpha feel superior and omega tend to feel low and easily Targetted by people around them. .... This dynamic just made for sex and smut purpose but in emotional level it's same exhausting feelings drying
I mean yes, but like any other work of fiction, authors decide what to do of it. ABO was indeed born from the gender bias and dynamics, but some people play around the theme or at least try to make it a more favorable society.
I mean that the divorce law for infertile omega is a direct depiction of hostility, not even irl EVERY country has such law if a woman was infertile. This story is taking the difficult up a notch for the oppressed gender.

I'm not saying he isn't a victim, but although it was cold, it doesn't seem like staff was mistreating him. He himself closed himself up, not all people are automatically warm.
Barely out of college, dead father and insta swooped into a high pressure marriage, who gave him comfort and guided him? He's sense of self worth is so distorted, besides the fact that this abo universe seems like the discriminatory type.