You willingly give them key points of information about yourself, directly or indirectly. They then read those signals and use your own information against you to convince you they have answers. And they are often wrong, but you walk around repeating their “insights” as if they are true.
past few months, Google has been absolutely dogshit with search results - almost everything i search for is hidden, behind an ad or just convoluted somehow. So I started using chatgpt for almost everything - it’s so much better than Google.