Well, [Steven says mildly,] I certainly wouldn't get caught.

[He takes a sip of his cappuccino.]

You're right. They would make more money if they dealt in those things--but unfortunately, the people of Kanto and Johto have been socialized not to enact violence directly on each other, merely through their pokemon proxies, and it seems to extend even to the native Rockets. It does give those of us from other worlds certain advantages, though, if only because they never do see direct attacks coming.