Not when you do it right...
I, as Penultimate, have a duty to protect life. If I automatically kill anyone, my power is revoked. FO EVA.
Likewise, if I ever tried to find loopholes around my capabilities, I'd be in deep trouble. My reality-bending would likely be cut off, at least temporarily.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)