There has got to be a way to penalize companies for attempting this kind of thing. Even just removing the charge without discussion isn't enough, as some people will be traveling on a corporate card they don't necessarily monitor closely, will confuse the charge for something else etc. Otherwise, I'd love to be able to preemptively and without any prior communication charge (way in excess of the room rate, of course!…
Another pillar of the problem is the corpos having excepted themselves from basic libel/slander laws through the "Fair" Credit Reporting Act. The common response should be one round of "piss off, prove it", with then a high barrier for the fraudster to substantiate such a debt in a court of law. Instead people are put on the defensive by the thought of such lies going on their permanent surveillance records, and perhaps becoming some kind of problem in the future.