I used to follow a lot of telegram groups when I was just starting out but these groups just feeding you crap because new investment projects are paying admins of these groups to shill their project and they can run away anytime or kick you out when you question their motives, you will be better following traders in their social media account they are open and transparent, because they have a reputation to protect.
I am still discovering those traders you mention, but do you mean generally the ones on Twitter and Youtube?
As for the Telegram I would say you described the current situation pretty well unfortunately.