i don't really give a shit if a band is commercial or not, but i hate both those bands. when the reason/perfect came on the radio i used to run dripping wet and naked out of the shower and through my room just to turn it off.
But as much as it pains me to say this, I think Hoobastank have a slight (only slight) chance of getting somewhat better, whereas Simple Plan will undoubtedly suck forever
One of these bands and make sure they never play any music again, which would it be? Keep it mind, the band you spare go on to make many top 40 albums with annoying singles that get played on the radio at least 4 times a day