Yes, because we had a lot of local races this year won by less than 25 votes, even after a recount.
If a race won on a margin of 25 votes means your vote matters then why not a race won on 25,000 votes, or 25,000,000? In any case no individual vote changed the outcome, only a group of votes did.
Does any one vote matter? Almost never.
Does voting effect change? Sometimes.
Does voting matter? Absolutely, because the illusion of power provided by voting encourages buy-in from the populace and reduces the likelihood of violent regime change.