I will say that it looks to me that the Search engine is not exactly user friendly. For instance, if you search "fog lights" you get inundated with every signature block that has fog lights noted. I've found that it does take some patience to work the search engine to find an actual post about some questions one might have.
As far as veterans seeming to fade away, I'm already (after 6 months or so) not as gung-ho as I was when i first got my truck. I thinks that's pretty normal for most of the married guys or gals. We do have lives to lead.
After you get your specific issue resolved, you log on out of some sense of camaraderie. TS sorta becomes a hobby in its on right.
As With all hobbies, they run hot & cold.