Report ebay & the buyer who is trying to scam a refund for false reasons to Acorn and report Paypal to FOS to get them to release your money.

https://www.acorn.gov.au/

http://www.fos.org.au/resolving-disputes/before-you-lodge-a-dispute/

Give both of them the heads up first that you intend to do so.

I am so over hearing these stories about ebay's behaviour.

There are many threads and instances on the internet showing ebay does not bother to look at both sides of the story in a buyer seller dispute.

At least in Australia we have half decent laws governing such behaviour.