People can find each other anywhere on the Internet, even in places with no inbuilt escrow system (like here, for example). People who are determined
The services that will gradually begin to grow in popularity are decentralised exchanges like Bisq so that people don't have to keep flocking between several different centralised platforms based on whoever temporarily has the best policies.
For now, this will probably make a dent in the market before people find the best solution for them.
From my experience they ask for ID on every transaction.
Individual sellers often do because they don't want to be caught out trading with criminals, but it wasn't imposed by the site.
