When people do Google searches for solutions to problems, some web sites with forums are more likely to appear in searches than others. As a PC tech, it's my responsibility to make my solutions available to other techs who may be searching for answers. When I was in Geek Squad previously, and as an independent PC tech since then, it was and is a common practice to search for solutions to specific computer problems. If I find a solution to a problem, and then I don't post the solution to forums, I'm not helping the countless people out there who could run into the same problem.
I also post these kinds of solutions to my livejournal account from time to time. For example, recently my wife was trying to play Borderlands with her new graphics card and the system had slowed to a crawl for no apparent reason. All the other games on her PC ran at breakneck speeds, but Borderlands was running ridiculously slow and we didn't know why initially. We tried all the solutions that had been posted online, from the generic "update your drivers" to the more bizarre "underclock your card" suggestion, and nothing worked. Then I tried tinkering with the ini files to see if it was something to do with the system trying to use PhysX with a non-NVidia card. No dice. Then I uninstalled PhysX and Borderlands wouldn't start at all. I reinstalled PhysX and it was back to slowmoville. Finally the solution turned out to be to uninstall all the NVidia drivers and most of the NVidia support software on the machine. No forums that I had been to even hinted at the idea that it could be a conflict caused by leftover NVidia drivers. Everyone assumed that drivers that weren't supposed to be in use would have any effect, but it turned out to be the solution. If I hadn't posted the solution to that problem, how many people would search endlessly and fruitlessly for the answer to that problem? I don't care if a thread is a year old or ten years old. When you have the solution to a problem that someone out there could be facing, the responsible thing is to post the solution.
You children have a nice day, now. K?