Actually found social media comment by Boeroer quite good. It's a good question and a good answer.
Not everyone engages with social media, at least from my generation (including me). Many feel that it's just a waste of time (reasonably so), or that you can only get in trouble with it (also reasonably, angry Twitter mobs are known to have caused some people to lose their jobs). Especially now, when "censorship" is at it's highest on said media. One could even say that platforms such as Twitter are echo chambers. A lot of people who happen to be fans of original 2 games are much more likely to be used to forums as means of communication, hence why you see us here and not on, say, Twitter.