Discourse with a full implementation of AI + crypto (BTCPay as a bridge to everything else) sounds great to me.
That cuts the men in the middle and offers a direct payment method for our customers.
Then if someone wants to pay 10% to PayPal, they could develop their own plugin like with Stripe, Patreon, or whatever.
Open-source needs to be close to open-source from a philosophical (and practical) perspective.