Earlier quoted context omitted.
Everything on the Internet has to be "free," so that's the business model.
Not really in this case: I paid money for my smartphone. The manufacturer might not have paid anything for Android, but that's a problem of Google spending insane amounts of money outcompeting and destroying the entire mobile OS market, not a problem of me not wanting to pay.
If it's anything like the Window's tax on consumer PCs, that would add $50 to the price tag. And then another 20 for McAfee anti-virus, and pay-per-month fees for Adobe and Office365, etc.