Westy, JAB, Tex, and Dok nailed it.
It is indeed much easier to blame a specific aspect than to blame yourself. **** happens, boredome and burnout sets in. Unless you're an infant in a crib, you need more than the dangling colorful thingies spinning around 24/7. In fact, I don't think it's the dangling colorful thingies that give players enjoyment at all. Rather, it's the players creating their own enjoyment through imagination and immersion. Escapism plays a large role - you are not the office cubical prisoner, the construction worker, the grunt, the teacher, the bum living in their mother's basement - you're a fighter jock, gv dweeb, buff dork...
The environment doesn't react to us, we react to the environment.