because they both appear to be the thing their partner accuses them of or at least some variant thereof. Individually, perhaps they can be decent people. Together...
Two dysfunctional people who found each other and created a crazy space.
Even having split they are dysfunctioning instead of moving on. Sad.
Having said that, he seems slightly more redeemable to me. She appears just a standard woke victim personality without sympathy. Unidirectional sensitivity.