I remember search being excellent about 10-15 years back. Does anybody know what ruined it? I find it hard to Google stuff anymore, the AI helps even if it has

I remember search being excellent about 10-15 years back. Does anybody know what ruined it? I find it hard to Google stuff anymore, the AI helps even if it has a tendency to be wrong/inaccurate 20-25% of the time. It's pretty helpful when I'm asking a question that has a binary answer.