Can’t we agree Edith and Mary were horrible to each other and sometimes others in each their ways?

It’s a long time feud between fans “Mary is the bad one”, “no Edith!”

But I really don’t think it’s in any way black or white. You can argue that Mary kinda fluctuated a lot in her journey of growth whereas Edith was more linear. But over all they both had good and bad qualities, and made good and bad decisions. I think Mary was less mentally stable than Edith who despite went through horrors, emotionally grieved, but got back on her feet and generally was stable. Whereas Mary seemed to have deep seated hatred of herself while masquerading as someone superior - fairly easy when elevated by parents. Putting down Edith could even have been partially a learnt behaviour; I always cringe when I hear Cora and being horrible to Edith.