It was mainly due to pressure from their payment providers, who in turn were pressured by fundamentalist christian groups like exodus cry under the mantle of "protecting sex workers" and "anti trafficking", but their actual end-goal is banning porn completely.

They started out with pornhub, which as a direct result of that deleted a ton of their content. OF seeing how these groups could effectively pressure the biggest fish in the porn industry through the creditcard companies, they found themselves between a rock and a hard place.