I dont think there will be a retuvrn to forums, i think the more savvy tards will switch to Mastodon or whatever the other alternative was, or more and more people start weighing their chances on discord like retards since its the most known "alternative"
Even in the wake of total tumblr death people refused to move to NewGrounds and Pillowfort is also barely known (if you have to ask, then point proven, imo)