Any time someone claims “my one vote doesn’t matter” I reply with this: https://en.wikipedia.org/wiki/List_of_close_election_results
Yes, there are a lot of elections that are decided by a very small number of votes.
As the saying goes: “The only wasted vote is the one left uncast.”
And I’ll reply with this which is .uch more likely. https://globalnews.ca/news/11130642/canada-election-2025-results-leduc-wetaskiwin/