That's true, but I'll be giving a versatility build a shot I think, like throwing and energy pistols with full focus on DEX.
Do you mean Versatility with a capital V? Because Versatility doesn't affect Throwing. If it did, it would allow us all to spend a feat in order to save 80ish skill points and have even higher effective Throwing than we otherwise would.
Versatility is such a laughable feat. For one thing, all combat skills in this game must be loaded down with feats in order to be viable. In order to use Versatility, you first waste a feat on it, then likely waste at least one or two additional feats in order to make that less precise, less damaging weapon skill worth a damn. You then most probably pump your primary skill's stat even more absurdly high so that the secondary skill at 60% isn't too terrible.
Then you may have to spend AP swapping between those weapons, carry them around everywhere, etc.
Don't get me wrong, I can easily see uses for it; but they're all going to be some kind of highly specific cheese strat, because otherwise the sacrifices aren't worth it.
A
usable Versatility would cost you one feat, and you have to choose your additional weapon skill, but the secondary weapon skill could be partially invested in to bring it from 60% up to 80% of the primary's stats. Also, you get to pick two (yes, two) additional feats, packaged into Versatility and drawn exclusively from a pool of feats directly related to that secondary weapon skill (prereqs still apply).
Only then would it be worth burning a feat and some skill points in order to have an inferior alternative weapon option. Because then, you see, it would still be a FUNCTIONAL inferior weapon option, instead of a weak and imprecise feat black hole.