I think it goes without saying but they’re far more likely to listen if you’re polite and suggest possible solutions instead of just complaining.
Go to town halls if / when they have them.
And vote.
The "fun" answer, to burn the system down, does not leave a better system in its place. The individual components are left to scramble to develop their own systems, which in the absence of strong moral leadership, are inevitably just as as corrupt as the larger system they came from.
In California, the correct answer would have been to fucking vote out Feinstein. She practically built the surveillance state.