It's not just politicians. Any spokesman for a vested interest is well schooled in how to say what it is they wish to say, which may bear no relation at all to what you've asked them. ↗
History shows that where ethics and economics come in conflict, victory is always with economics. Vested interests have never been known to have willingly divested themselves unless there was sufficient force to compel them. ↗
Authoritarian political ideologies have a vested interest in promoting fear, a sense of the imminence of takeover by aliens and real diseases are useful material. ↗
In fact I think now we've reached a point now, where the powers that be really have sort of vested interest in all of us being stoned out as much as possible all the time so we don't know what's going on, and we don't care. ↗