Without trading volume a token is practically worthless. They can tell you that the token is worth $10 but if nobody is willing to pay that much then the value isn't real. It's been mentioned since the beginning that part of the supply would be used for providing liquidity on Uniswap. Unlike centralized exchanges there is no risk of FUN getting delisted from Uniswap so it is nice to have that option available.
It should be noted that the FUN token has a daily trading volume of more than $23 million on centralized exchanges. This is quite good, and I believe there is no reason why this token could be delisted from centralized exchanges (binance, gate, etc). The only risk is if gambling tokens are banned in the jurisdiction of centralized exchanges, but this is unlikely at the moment.