Not sure he's "on the outs", he on Shopify's board.

Sidekiq's solo dev (Mike Perham) has for many years made a generous donation to Ruby Central. He informed them that he didn't want his money to be spent platforming dhh at their conference, they ignored his request, he stopped his annual donations.

If you want to read about dhh's colorful blog posts and tweets: https://jakelazaroff.com/words/dhh-is-way-worse-than-i-thoug...