Well, it's not humorous, and it probably won't make a snake-hater into a snake-lover, but it might help the person see the value of a snake... Snakes are clean animals who are great at keeping the rodent population down. Stress on those dirty, pesky rodents, and the clean, non-disease carrying snake... :-)
But the same sort of argument hasn't done much for spiders' reputations. And more people have mosquitos and blackflies than mice and rats.
And of course, our corns are beautiful. Looking at lots of pics of pretty corns should, in my opinion, change anyone's mind. But that's just my opinion.