If they pay out money to creators in a reasonable time, then a fraudulent "creator" (accounts created with fake/stolen identities and tipped with stolen cards) will withdraw anything ASAP and there won't be anything to remove/recover; and if they want to protect from that, then they have to do invasive verification and/or freeze any income for a quite long time.
They can just do KYC for people who withdraw money from the platform.
Yes, But they would incur an additional service charge for that dispute. That’s the worst part about being a merchant. Someone buys a digital product from you, then they file a chargeback. You are then down the original charge plus a fee that can be as much as $25 or more.