the increase in gas costs is usually affected by activity on wallets and exchanges, which leads to many token deliveries on a fairly congested queue. when altcoins start to red, the fee will also decrease.
Dex is the sector that was getting a huge impact from the increase for the gas fees that happened when ethereum blockchain gets congested.
People are not willing to pay the non-sense fees again and so many of them have been moving from using decentralized exchange site or swap to another alternative or even move to the centralized exchange site again to avoid the non-sense fees.