And, in any case, we'd only end up having to pay undercover police officers to do it instead. Presuming we're not doing that already.
Yeah, it's complicated alright :-\
Well, to deal with, and help us manage, criminal conspiracies, we "flip" real criminals all the time. Trouble is, nowadays, crime-fighting is at least as lucrative a business as crime itself is. And money, of course, has a distinct conscience all of its own which always overcomes any moral or even legal limits and limitations.