I don't think Binance DEX will make an evolution for decentralized exchanges. Binance adapts so well with crypto trends over last two years, but this time, I don't believe that their DEX will beat others older decentralized exchanges, which mostly operate on Bitshares network.
The old dex's for me are still better than Binance DEX. It has been told that their dex isn't really an exact dex as we are thinking. I've considered that although there are some dex that aren't really getting the attention of most but as long as they have high volume, they are good to use and to stay. Binance will still be binance and the brand that it has is the reason why many traders are jumping to their centralized and semi-centralized exchange, the trust has been built.