If LImbaugh shows ignorance about science, and proclaims his right to be ignorant publicly, he shouldn't complain about the email he gets. If he doesn't understand and accept that he's ignorant, he's probably stupid too.
Ignorance is a relative thing.
An earlier discussion said:
"Intolerance and intransigence, he says, is now the province of the Darwinians, who regard insult as legitimate argument."
You just proved it.