I don’t see anything suspicious in that transaction. He did some transaction with SundaeSwap, like obviously everybody did, the past 24 hours. The target address is the SundaeSwap smart contract.
As for the reviews: As can also be seen here in the forums, when something is not running as smoothly as wanted, everybody screams “Scam!” the next minute.
Heck, noone forces you to try trading Mickey Mouse money on the first day.