At the risk of annoying repetition, though, I think this is assuming the wrong focus. This is not generally a problem of people who are not getting understood or heard. @MissyPants is right that it is more about wanting to be obeyed, though that is more of a Skeletor thing than a universal need you could empathize with. So let me try to split the difference.
This is about the human need, not always listed but definitely real, to matter.
Right now this is a very hard need to fill, and this is one of few cases where that applies even to the otherwise privileged. You can find it in a cause bigger than yourself, but so many of those are now plainly empty. Dreams of humanity’s future have turned from utopias and moon bases into ignoring climate change and collection of marketing data. Social progress is still an important cause, but can’t always fill the need for well-off white men, if they haven’t learned to find meaning as pure supporting cast. Careers are no longer anything to build an identity around, since you always have to be ready to move on, and do not offer much hope for economic advancement. For those who do find it, success often seems to be nothing but inane hedonism. Serving your country turns out to be a good way to end up homeless with PTSD from a conflict meant only to enrich arms dealers. Our increased connection offers niches for those who can find them, but it can also make achievements seem petty and unfulfilling.
In contrast to wanting obeisance, I don’t think wanting your life to matter is a negative impulse, and getting cut off from it is something easy to empathize with. The need to matter is the foundation of so many of the stories we tell and has driven many great things. But without them, it can also turn sour fast as people start inventing enemies they can stomp and finding it at the expense of others. That’s what I see here.
I’ve quoted Orwell’s review of Mein Kampf before, but would like to repeat it here, because I think there is a lot of insight in it:
Hitler, because in his own joyless mind he feels it with exceptional strength, knows that human beings don’t only want comfort, safety, short working-hours, hygiene, birth-control and, in general, common sense; they also, at least intermittently, want struggle and self-sacrifice, not to mention drums, flags and loyalty-parades. However they may be as economic theories, Fascism and Nazism are psychologically far sounder than any hedonistic conception of life. The same is probably true of Stalin’s militarised version of Socialism. All three of the great dictators have enhanced their power by imposing intolerable burdens on their peoples. Whereas Socialism, and even capitalism in a more grudging way, have said to people ‘I offer you a good time,’ Hitler has said to them ‘I offer you struggle, danger and death,’ and as a result a whole nation flings itself at his feet.
I think in a movement that has been creeping toward openly embracing Nazism, this is the key impulse for us to understand. Not a failure to be heard or understood, but to find worthwhile things to do, and with that settling for what at least seems like a fight.