My salary is taxed. And yet when I spend it, it becomes someone else's salary, and theirs is taxed too. How come the silly "double taxation" meme is only broug

My salary is taxed. And yet when I spend it, it becomes someone else's salary, and theirs is taxed too. How come the silly "double taxation" meme is only brought up when we're talking about rich people's money? (ie corporations, rent-seeking structures, etc)