Since most people have probably stolen some nonessential thing at least once in their lifetime, the same reasoning means that a moral principle of never stealing nonessential things is also suspect. You'd have to have a principle "don't steal too often" or something like that, not "don't steal"/
If most people have stolen something (have they?) it seems more likely to be out of carelessness than out of irresistible temptation. If you asked me to go 5 years without stealing anything, no problem. I promise I'll never try a raisin from the bulk bin, or use vidtomp3, again.
No sex, talking, or spicy food for 5 years? Even if I could form the intention to do that, I'll fail miserably. It's not a reasonable thing to expect oneself to do.
Another month has passed and here is a new rationality quotes thread. The usual rules are: