That's only true if you think "vote" means "vote once every 4 years, for the President".
Even if the only political action you ever do is informed voting, if you're voting in every election, knowing as much as you can about the candidates, then you have a real chance of starting to move the needle.
Even if the only political action you ever do is informed voting, if you're voting in every election, knowing as much as you can about the candidates, then you have a real chance of starting to move the needle.