The bottleneck isn't on Itch or Steam, is caused by the companies that process payments, in this case Mastercard, Visa and PayPal, and that is the thing that scares me the most.
We could think "That's fine, just publish browser versions whit links to Patreon," but then, how are we supposed to pay on Patreon?
They want to corner us in some criptocurrecny shithole, where the REAL obscenities would pop up amongst more controlled entertainment products.