You have to explain why and how you are rejecting it.
The point of the poster above is that you're ultimately paying for your free email with a Google tax on every carton of milk and every smartphone you buy. That is, if advertising were banned and you had to pay for Gmail, most of your other purchases would be just a little bit cheaper, because they wouldn't be paying for Google ads to support your free email.
And this is just basic finance: the advertising budget has to be paid for somehow, so it is priced into the goods themselves (either through higher prices or lower quality, of course).
The point of the poster above is that you're ultimately paying for your free email with a Google tax on every carton of milk and every smartphone you buy. That is, if advertising were banned and you had to pay for Gmail, most of your other purchases would be just a little bit cheaper, because they wouldn't be paying for Google ads to support your free email.
And this is just basic finance: the advertising budget has to be paid for somehow, so it is priced into the goods themselves (either through higher prices or lower quality, of course).