Ebay owns Paypal so they force you to use their service so they can charge double fees. A nice little racket they got going.
It depends on how much feedback you have. At 22 I can still only take paypal.Thats not entirely true.
As a seller you have a choice of what methods you accept.
i have bought a few things over the years i think 3 things i just wanted to spend a few bucks and treat my self to somthing hahaha. i love waiting for things to come in the mail. i know im weird .