1) One of the things Larian repeatedly stated while starting the EA is, they're testing the evil path. "Evil paths in a lot of RPGs are bad, and we want to make a good one". So why is the goblin path so shit? Not only you have absolutely no reason to take it, since those people are explicitly your enemies who want you dead, and will kill you if you reveal your identity, but nearly all your companions (except Lae'zel, who doesn't care one way or another, or Astarion, who kinda likes it) hate you for doing it - and remember, those are supposed to be the EVIL companions. People like Wyll and Karlach will outright leave you if you do this. The rewards are lacking too. I guess there's drow sex, but it's not like you know about it beforehand, so it can't be your primary motivation.