I think the opposite, they gave up years ago against spam and it shows on the declining quality even long before current LLMs. Google became comfortable having

I think the opposite, they gave up years ago against spam and it shows on the declining quality even long before current LLMs. Google became comfortable having a revenue stream based on the top ads and didn't care much what was going down below. They spent more money on Safari to keep their market share than they did on search engineering. Now AI changes everything, it means that the very existence of this revenue stream is threaten by competitors and having relevant results once again matters. They are now racing against this time lost but I think it's already too late for that.