Actually someone put this list together, so there are a few.

go.bsky.app/6DLYrt6

There are some people who post the odd chess news article, but I haven't noticed any "personalities" that have made the switch yet.

I'm getting flashbacks to when this happened in Australia. Everyone hated on the tech companies so much that logic and reason didn't come into it. The coverage was very biased, which I guess is not surprising given the vested interest from the media companies.