Paypal isn't a scam but most scammers use Paypal for there business
You have a different perspective point. Paypal is trying to implement different ways of security in order to prevent scammers to not to scam others but actually these are the scammers who are taking benefits from their implemented rules and innocent people are being scammed.It seems to me that PayPal simply overestimated their capabilities. And so their business broke down and collapsed. Personally, I'm sorry, I sometimes use the system