When white western men condemn muslim men for misogyny, they’re not doing it because they give a fuck about women, because if they did they’d start by addressing the sexism they perpetuate personally. They don’t give a fuck about women, they want an excuse to be racist.
When the trio had to take turns wearing the horcrux, it enhanced all their bad thoughts and Harry couldn’t even cast a patronus. Umbridge on the other hand wore it to work to enhance her own blood staus, reveled in interrogating muggle-borns and her patronus was strong and glowing with contentment. Wearing a piece of Voldemort’s soul around her neck had no adverse effects on her at all. If that doesn’t underline just how vile a character she is, then I don’t know what does.