AD&D was different things to different people. For intelligent folks who had an IQ
above the number of holes in their underwear
and folks who had an imagination
it was a release into worlds of heroes
, of honor
. It allowed high school and college folks to excercise their minds
without going berserk
For folks who didn't fall into the above category, AD&D was obviously the leading cause of demon worship and paganism and must be banished at all costs! Ranking second only to music by Ozzy Osbourne in stepping-stones to dancing the tango with Satan, AD&D clearly distorted the minds of our precious and naive youth.
AD&D and other RPGs are also the cause of such diverse and exciting dice as the Zocchihedron, the 30-sided die, the 20-sided die, and some others that are too bizarre and lewd to mention here.
If you extrapolate this a bit and apply the Taniyama-Shimura conjecture, you'll notice that the major milestones clearly show that AD&D was the major cause of El Nino. The heavy use of die rolling adjusted the angular momentum of the Earth causing a slight weather pattern shift.