And people with issues giving advice on other people's issues when they can't even help themselves. We have professionals that study this stuff hard for a reason.
I think thats an awesome idea but make sure that you are careful to facilitate a healthy space- its very easy for spaces dedicated to really awful parts of the human experience to become so overwhelming in their negativity that they're kind of a toxic cesspool making it harder for people to make their peace with things and cope effectively, rather than easier
Sadly I don't have access to signal at the moment, but if it exists in other forms, I would enjoy joining.
Though your place is probably more ready to serve the purpose, I also have a Discord group that is happy to partially also serve as a counseling haven.