But it ought to be reported, maybe not negatively, but at least skeptically. Representing the people against the elites almost always means destroying (to at least some degree) the system that has elevated those elites.

That may be needed, it may be justified, but we still need to ask what the replacement system is. It is easy to criticize, but harder to offer a better alternative. It is easy to destroy; hard to build. The populist's answer to what comes next often boils down to "trust me, bro" - there isn't a concrete, workable plan. As a result, the net result often winds up worse than what came before, not just for the elite, but even for the people the populist claimed to represent. This is true even if the populist was honest, that is, sincerely had the interest of the common people at heart.