There are actually so many exchanges existing in the crypto space already, the successful ones are the ones which got the features of what the crypto users wants. Tho people's choice varies you know, but at first everyone would love an exchange with an easy user interface especially the newbies, secondly! Security, everyone wants an exchange which is very secured because no one would wants to loose his or her funds to hackers and this is why so many people in the crypto space prefers a decentralized finance, lastly I think people in crypto space doesn't like KYC because there like being anonymous.
KYC reveals too much identity but if members don't participate in that process, the chances of them being able to withdraw money every day will be much less, this is also the point that many people are interested in choosing an exchange, they need an exchange that can withdraw pretty well every day without KYC. And that exchange's asset protection should be good enough as you said, no one wants to lose money, and when the exchange and the user lose money unreasonably, the exchange should have a suitable settlement, instead of letting the user accept the fate