Their income stream is non-KYC  payments, in their case subscriptions. This is the way, but strangely, whenever a company makes that work, they go out of business. If they last longer or are too loud, they get taken out, see Samourai wallet.
KYC cannot be the only way to do business. If it is, then bitcoin will have failed this generation of humanity, and will make it that much harder for future generations to fight tyranny.