Google generates 180 billion in revenue, 140 billion of which comes from ads. None of this revenue is a government subsidy.
> I remember a time over a decade ago (before the insane 0% monetary policy started) when they were struggling to turn a profit
Well they have been profitable since 3 years after incorporation, so we are talking over 20 years ago.
> The business model did not change much since then and yet now they are profitable.
Well the industry, their market share, the number of clients and the number of ads served grew, and they refined their business model throughout.
> Who is to say that hoarding user attention and online advertising is actually profitable?
Google, based on the excess profits they have generated across the last 20 years to become one of the most valuable companies in the world.
> where it's receiving special treatment due to its ability to hoard eyeballs.
In economics that's called a competitive advantage :) It's not a coincidence that it gets eyeballs, it's part of their whole business model.