Why aren't the "Basic Jobs" relevant?

[Nyghtmarerobu]

Its a relic from 1.0 OP. Its something that, as it stands is detrimental in the long haul to new jobs being released. It strangles new jobs to be a part of the crossclasses it needs to function, and hurts the fact that jobs could have more interesting set-ups. Much like your astro example, all TP based DPS classes will be relegated to having Lancer sub simply for Invigorate. Without out that skill, they would be lacking in the longevity of their DPS.

Right now, the problem with changing it is, how do you fix it properly? Its tough to awnser, and I think SE is having the same problem...

A Quote from a thread over here. Basically those classes really only exsist to keep the game stable and to not add to the already bloated amount of skills we have. Just take it how it is, and roll with it, because you're problem isn't something easily fixed, and can end up being an expansion fix/rework later on. As it stands right now, we know its a long-term problem, but how to fix it is sort of a mystery without messing up other things.