As a private sector company their job is maximizing revenue forever.
There old slogan was "don't be evil"
they have a new slogan, which is "vanquish your enemies, to chase them before you, to rob them of their wealth, to see those dear to them bathed in tears"
I see your point with Wikipedia, but the writing is on the wall for LLMs: since they are replacing search engines for some users, it's only a matter of time before that experience gets polluted with "data-driven" ad clutter too.