Doesn't sound good.
I reported one of the listings.
Suggest you do the same.
At most we will get polite notes from eBay saying "thank you , we'll look into it". But they will, and faster if there are a lot of questions.
I suspect he will be gone very soon.
BTW, it is as likely that the account is hijacked as it is that the seller suddenly went over to the Dark Side.
Crime and politics, little girl: the situation is always... fluid.-- Badger