It's particularly awful on mobile where you get Google's "smart" cards which can be ads, followed by ads then the actual results which are mostly SEO trash. Trying to find support for Google Fiber routers was nearly impossible because Google just tried to interpret what I wanted as signing up for Google Fiber and just overwhelmingly suggests that. It gets even worse on Youtube where after like 10 results for what you typed in they just show you "things you might like".