People will literally buy anything at the moment. Think a lot of people are pretty desperate to get a bike, things sell within hours on gumtree, stuff that looks like it's come out of a skip selling for £100+.
I have just given up buying any full bikes at the moment.
https://www.ebay.co.uk/itm/Single-Speed-Fixed-Gear-Bicycle/193514234901?hash=item2d0e58e415:g:MLUAAOSwYApe4~~1
"the fork was bent inwards but is ok to ride"
8 bids already. WTF