There are plenty of reasons as to why using traditional financial systems are not working properly in this day and age. One of the reasons is how these centralized authorities can take action affecting various users, without asking for their consent. PayPal is one of those authorities, as they started banning SmartDNS and VPN services, locking customers out of their accounts. In Paypal’s defense, such tools are against the company’s terms of service.
http://themerkle.com/uncategorized/bitcoin-is-a-perfect-payment-soluton-for-vpn-providers/