I really like this idea, it for sure very unique because your forum activity and behaviour can now be rewarding in-game. I have to agree with you there, the forums isn’t having the amount of attention it should be getting due to the big variety of things you can do with it. 90% of all forums go unused because majority of the stuff get moved to discord, we only really use the forums for introductions, update threads, applications and sometimes events really.
I really hope this suggestion will get a lot of feedback and love, because this is an absolute beauty to let go.