For Bitcoin payments, the equivalent of Paypal or some other payment processor is not the blockchain but the entity where you convert Bitcoin to actual money, a

For Bitcoin payments, the equivalent of Paypal or some other payment processor is not the blockchain but the entity where you convert Bitcoin to actual money, as on-chain BTC is not practically usable for your business expenses without that. And that entity can ban you and restrict your payments, so you have pretty much the same considerations.