paypal already became an old fashoin method to pay
Old is Gold, you haven't heard that? Paypal is a very old method of payment. but still paypal is primary payment source of millions of peoples and thousands of online companies and marketplaces.
As the statement, so is the reality. PayPal is a old system that evolved to fulfil the transaction needs of people all around with much ease. Now the technology it follows is overcome by bitcoin but the trust and the convenience provided by the same make people think PayPal to be their primary transaction partner.