I can also see how any perceived conflict in the top-down relationship between authoritative institutions and the general population can frustrate a person (i.e., a member of the general populace), especially when the institutions are portrayed as vague identities ("the experts") and the complexities that they operate under are a part of a broader network of institutions and entities that themselves seem to thrive under incongruence with respect to the said top-down relationship.
So to draw attention to an issue in a frustrating matter, can be seen as a natural human response. At times it may even be necessary. If not, then we reach a point where we wind up denying of their natural inclination to be frustrated with what they perceive to be (and quite often) an injustice to society, irrespective of class distinctions. And a person does not necessarily need to be an "expert" to point or argue against that.
Not everyone is willing to resign themselves to "it's the best we've got", if that's not what they believe and resignation, or willful engagement with a system perceived to be corrupt, is tantamount to affirming the system itself, which is unimaginable and even more frustrating (read: insanity-inducing).
I say all of this, assuming good faith and not from the perspective of ill intent or ignorance that you've presented (which again, I agree with in principle).
Pardon the commas.