AGW Delayer Rationalization?

Sometimes the xkcd comic really crystalizes something quite nicely. Perhaps the author has hit on the rational for not taking action on human GHG emissions.

According to the below featured comic:

1. They don't want to be wrong.
2. They think its going to be fun to watch (experiments are fun!)

Playing Devil's Advocate to Win

There are so many well-meaning conservatives around here who just assume global warming is only presented as a moral issue for political reasons.