A crowd funding business especially needs to go through underwriting, which will involve proving they have the capital reserves or credit to handle problems that arise. Fostering the expectation that they should try to sneak a loan out of PayPal, or whatever payment company, is unhelpful.
Now, there is fault here in that PayPal's process isn't tight enough to catch them before they start processing. But you will find that fault to some degree with every modern payment provider.