In the US we call that "dropping a dime" as in using a pay phone. just ask yourself what your motives are - You sound angry about the prospective employment opportunity lost because someone is a private pilot doing commercial pilot work.
No Champion of Justice would use that motive! The worst shellackings I got as a kid were "for my own good" and I'm not sure to this day that was true.
Are they unsafe? Is it a public endangerment? Those are the questions you might ask yourself, I think. If the answer is yes, then march on, and be right.