Wouldn't the inclusion of "variant humans" make the basic version currently included almost completely redundant?
WotC are the ones who took a look and thought "yeah, +1 to more ability scores than any sensible character build will ever need is the only thing needed to make them competitive with other races with lots of more interesting and useful features and bonuses."
Larian changed Ranger to be better, if they can think of a way to change regular human to be more interesting, I'd be all for it.