yes.

A simple, "this entity is a sponsor, and therefore there is a conflict of interest and we will not comment on recent controversy" is enough.

If it's big enough, refuse to take further contributions.

I know it's not entertaining, but that's why we have video games.

Back in a more adult age, the way that this was handled was "We've benefited from our past collaboration, but we believe a new direction is needed going forward."

For some reason--COVID brain rot, poorly-socialized people coming online, general increase in viciousness in the population, who knows!--people have forgotten the utility and purpose of boring polite manners and communication.