You're right. Motivation could be a thing, but I don't think it could have been motivation since these two guys have constantly posted for over 5 years without much break in between. However, I think I'll be looking at their accounts to see if they're active. Surely the first guy stoped posting because of DVs, but the second one must've been something entirely different.

It feels weird to not have people who knows what they're posting not to be active as before.