I don't see the point in perking this skill tree because I've gotten to the point where I can open an adept chest with 1-2 lockpicks then find 7 in the chest. Lockpicks are too common to perk the tree. However, if some mod came around to make lockpicks rarer and chests a little bit more difficult, I can see myself perking the tree a little bit. But investing in that tree is a waste of perk points unless you are RPing.