70
And the real maddening part is that search engines have been so enshitfied to make way for AI that's wrong like 9/10, so you're forced to rely on it for answers because if you try google, the snake wraps around and eats it's own tail giving you an AI answer! 
This is such a key point you make—quality of search results and available info to use to solve a problem have degraded so far that you almost have to rely on web search enables AI to do what you used to be able to do on your own, and in both cases now you have to engage a lot of extra effort in trying to discern if the information is at all useful.
And like you say, the situation will only recursively get worse as the two feed on each other further destroying informational value.
People are going to learn about Socialism from these tools. Having websites with easily laid out information debunking the common talking points is more important than ever.
Very much this - I used to rely a lot in tutorials, devlogs etc to learn new patterns etc, but now search is so bad that LLMs are basically the only game in town
If it's not new tech (never use new libs) just add "before:2022" or such to the search