In my experience:
Sometimes, RM chat has a weird thing that clears out everything you’ve been previously typing.
More importantly, lengthy convos are things that some time-wasters jack off to.
Providers want to have signs that a paid meeting will occur, and that you are not taking advantage of their time for free. I see warnings in bios now too: providers are tired of being contacted by of scammers, free-jerkers, and time wasters on the site .
Once you meet with them, they could indeed become more verbose.