You could use exactly the same argument for not bothering about doing things that pollute, generate landfill, or generally make things worse for society.

Its highly unlikely your vote will swing an election.

If you want easy things to do use cookie blocking extensions.

> You could use exactly the same argument for not bothering about doing things that pollute, generate landfill, or generally make things worse for society.

Which is why those things need laws to create any meaningful change.