It sounds like the owners of the venue where it is held may have had some connection to someone with an newish alt-right group called the "Unbearables" and much of the cast has quit. There's a couple threads discussing it on the Renfaire sub-Reddit https://www.reddit.com/r/renfaire/ (https://www.reddit.com/r/renfaire/)
(https://i.imgur.com/axdPuDH.jpeg)
Glad they are separating themselves from it, but sorry it's coming to this.