Yes. If I don't vote, I have no right to bitch about whatever scumbag takes over a given office for the next term. Also, I might be naive enough to think that if I vote despite my cynicism and outspokenness against the shit politicians pull, maybe - just maybe - I might inspire just one other person to vote. And if I manage to do that, maybe they'll inspire someone else and eventually people will start engaging with…
That's actually the opposite.
By voting, you agree to the rules of the system. If you truly believe in democracy, then you should be more than happy to see the one getting the most votes win the elections. That's pretty much how the thing works.
Any person who votes and then complains about the results is an hypocrite.
"Bitching about whatever scumbag takes over a given office for the next term" is pretty much like complaining about losing the lottery. It's not very reasonable.