IMO it's very clear by reading a few threads that K is not just disagreeable but manipulative and disingeniuous. Bordering on gaslighting at times.

As someone who might have fallen in your grumpy-disagreeable-senior bucket at times, that's a different story and not something I would accept.

> I've seen this sentiment a lot lately. That disagreeable top performers have to be disposed of because they are "toxic" or "problematic".

This is not really a relevant argument to this situation.