Yeah, most characters don't care. But folks who want to play Harry Dresden or Molly Carpenter or someone like that shouldn't be playing at a lower Refresh level than everyone else. A Power that you don't use is just a waste.
And I'm not thrilled by how it represents the consequences of Lawbreaking. The Aspect stuff is nice, but the loss of free will is the exact same loss of free will that you get for taking a Refinement. That doesn't feel right.
Exactly. As someone that enjoys playing flawed characters, I'm okay with the idea of an Aspect like 'Tainted/tempted by black magic' because he broke it once; less happy that he must now take a Lawbreaker that really doesn't fit the character concept; while I like my PC's to have some shades of Gray, Lawbreaker implies a dangerously corrupted character.
If I took Lawbreaker (1st), does that give me a +1 to any roll when I kill
anything or just those people that would justify a Lawbreaker hit? RAW, I'm inclined towards the latter, even though it might not fit with character concept...and yes, it would qualify as a Power I can't use.
Mechanically, it means that I'm stuck with a power that I don't ever dare use for fear of NPC-hood, Wardens aside.