The only KYC exchange I've ever signed up to is Gemini. Haven't logged in to it in years. I think I still have ~$200 worth of shitcoins on it. To get them out I have to send a Wire transfer to verify myself, which costs $30. It's not worth it.
At this point, the only point of keeping anything on an exchange would be quick conversion to fiat, but even then the risk isn't totally worth it. Hopefully FTX has been teaching people that