Why under no circumstances is it advisable to buy a show with Paypal?

If you read the PayPal Terms of use carefully you find this:

General Policy

PayPal may not be used to send or receive payments for any adult, sexually oriented, or obscene materials or services. This includes, but is not limited to:

* Any material or services suggesting sexual activity
* Any material or services designed to sexually arouse the viewer or reader
* Non-adult services whose web site marketing can be reasonably misconstrued as allowing adult material or services to be purchased using PayPal (e.g., a web hosting service that markets its services by displaying sexually explicit graphics and the PayPal button on its home page)

Further more…..

“Violators of the Mature Audiences, Prescription Drugs and Gambling categories of PayPal’s Acceptable Use Policy may be subject to a fine of $500.00 USD and/or PayPal may take legal action against you to recover losses that are in excess of the amount fined”

I think there is no additional information needed