I like how you think anything that isn't the most efficient combination isn't a waste of time. Honestly, think about that for a second.

FFXI is a game that, perhaps unfortunately, requires some level of grinding to get to the fun bits (If you think having fun is a waste of time, please see your doctor). As Ouch said, it's fine to experiment if that's your thing and you're on your own or with people who are okay with it, but when you start demanding that everyone should compromise for your benefit, then you're just a plain jerk.