That they deal exclusively in propaganda, with no regard to the real world.

No, we already knew that.

That the majority are career politicians, not domain experts.

I expect those politicians should have advisory staff exactly for handling such cases, as there's never a domain expert in the lead (and there are different opinions also in every field). Now if that advisory works as expected, that's another story - maybe the politicians won't ask, maybe the advisors would represent some interests, maybe...