Yes, I think it’s important not to be paranoid but also to be mindful of motive when lots of questions are being asked. And, as I said, even if that person is doing so innocently, the things that are revealed could be useful to others whose intentions are not innocent.
Often, people are not very imaginative when it comes to making up passwords, may use combinations of the numbers from their date of birth, a pet’s name, a place they come from or would like to visit etc.
Look up data harvesting, brute force attacks and credential stuffing to see what hackers and scammers do.