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…
If you don't vote, and it's an active choice you've made, you're rejecting the system. That's a valid choice.
(Having said that I vote in English local and national elections).