This would help in lowering Order rep and whatnot on say, your Outcast after killing too many Bounty Hunter NPCs.
The guard rep thing isn't a huge deal. It's not abuse. People are going to get caps anyway. Easier or not, it will happen, and we will have lolwutters.
A way a lone a last a loved a long the riverrun, past Eve and Adam's, from swerve of shore to bend of bay,
brings us by a commodius vicus of recirculation back to Howth Castle and Environs.