Capcom takes cheating very, very seriously. How seriously, you ask? Serious enough to ban an offender in Monster Hunter 3 for the next eight millennia.
The lesson here, clearly, is "don't piss Capcom off," because their moderators will strike you with a vengeance. A screencap posted on Livedoor.jp reveals the following message sent to a player accused of cheating in the Wii's Monster Hunter 3:
"You will never again be able to connect," Capcom? A tad unnecessary, don't you think? Well, let's look on the bright side - one day in the far future, the distant descendants of this cheater will once again be able to play Monster Hunter 3. Unless they've inherited their ancestor's tendencies to be a cheating douchebag, that is.