Nice story, but ebay will probably never accept btc, unless they let go of PayPal. PayPal is owned by the same people as ebay - right now, they force all new users to use PayPal too. I think you need to have an account from like 2007 if you want to use a different merchant - it is a scam, but they make the extra 2.9% + .34$ on every single transaction!
eBay and Paypal will accept btc... but not like you're thinking. They will require btc to be paid through a paypal btc wallet as an escrow/mediator. They will continue to take a cut on the transaction. Nothing will change otherwise, but it will be much easier to get money in and out of paypal without a bank account. That is a major plus for paypal.