It has to happen i think, but the lack of liquidity still remains the biggest challenge for dex. Currently, i can think of Binance possibly can mitigate this issue.We saw so many new players with their own approach on dex. It will fun if we can see dexes can connect to certain external "liquidity" pool, then could guarantee sufficient liquidity. Beside that security issue, many users or providers still have questionable safety practice or awareness. This is more subjective problem. But i see things can only be improved and better as more smart minds coming into crypto.
I do have high hope for decentralized exchange. That's what Bitcoin and crypto community wanted from the start.
I do have mix feeling to it. I do like DEX because they don't ask for KYC but still without huge volume to coins. Without it traders are going to move to exchanges like binance for profit which is exactly what we all want. Not even one DEX today can match even the non popular exchange such as cryptopia. WeiDEX seem to be a promising one but there is no assurance from them not asking for KYC actually.