I wouldn't be surprised if the FUN price in BTC equivalent dropped to 1 sat or even lower soon. And I wonder how freebitcoin will display the price in the buy/sell section in that case. If the situation with the spread will not change, then in this case, you could buy a FUN token for 1 sat, but selling it would only give you 0 sat, i.e. users get nothing.

That seems to be the clear long-term trend. There have been some spikes in this process, which seem to give encouragement to the token holders, but it all looks like it's going to end as you say. I remember buying some FUN tokens when FBI backed them and selling them after a few months. What a mess I got out of.
I think a lot of people where excited when freebitco.in took on the FUN tokens as they had a good reputation. In the beginning their premium membership was also interesting as you got a higher apy on btc interest, WOF spins that were quite rewarding, …