Nobody in any of these articles complains about ads, so that is nonsense. They complain about becoming like Apple and handing over unrestricted access to data to the Chinese government or about becoming like Palantir. They also complain about bigwigs being protected after harassing lower level workers. Those things, and the no-poach agreement Google entered with Steve Jobs, are evil.
Of course they don't complain about ads; that's paying their salary.
Once upon a time, Google was the most admired, brilliant company on the net and doubleclick.net was universally reviled for pushing all the ad tech that everybody hates. Then Google bought doubleclick...