I suggested to OKX a long time ago that DEX features should charge fees. Crypto is a purely commercial society; no matter how big the institution is, it can't keep losing money just for attention. At the very least, there needs to be the ability to break even to continue creating better products. So in my opinion, there's really nothing to criticize about OKX DEX charging fees. But that doesn't seem to be the main point right now. The main point is that $BTC got smashed into , and all the other coins crashed along with it. That's the most painful part.