You do understand that ISPs do implement zero-rated service because it makes them money, right? Who do you think this money comes from if it's not from you? Who

You do understand that ISPs do implement zero-rated service because it makes them money, right? Who do you think this money comes from if it's not from you? Who is the nice person who decided they wanted to subsidize your internet connection? If you think that zero-rated services save you money, all that is happening is that you don't understand how you pay for it. So, maybe it is time to find out how you do pay for it?