I share your concerns but the opposite is also true that it could be different than what we thought. There's also the fact that honestly there isn't a need for making placing/crafting/etc require skill to be X since that's already handled by the progression of what's already in-game. Could just be something like getting better at sneaking [Max skill lowers sneak detection range by 25%.], sprint speed (Or use less energy.) or increase range weapon accuracy (But not damage.). Basically your character learns how to do something better.