Many P2P sellers fall for the provocations of scammers and limit the buyer's rights. They intentionally hide information about themselves and create a stressful situation during the payment process.
This behavior is unacceptable. I would call it a collusion of interests to mislead the buyer and create a stressful situation.
Almost all modern payment services provide a QR code that processes the payment in a few seconds and does not require any unnecessary manipulations.