Well you should, considering it makes everything a lot easier. No need to get snippy, he was just giving a suggestion.
Indeed, it was just a suggestion and it does just make things easier. (same with pokesav and such)
On the other hand, not all of us have action replays, want to waste more money buying one, or do not want to use a cheating device to begin with (IMO, it destroys the purpose of playing the game. Today's play is all about just LOOKING legit after all).