That was the general idea, yes. He just likes the work. (Especially since the more he's locked in the lab, the less we can all get to him. XD )

*pouts* Optimus, stop giving him things to do!
Optimus: "NEVER!"

That seems... really sad, actually. Were they at least well-written?
They were, I think. One was by outerelf (http://www.fanfiction.net/~outerelf). And the other (by leilani666) wasn't exactly about the glitch killing him; it was mentioned as having already taken place. Though technically, it wasn't what killed him, but it would have eventually.