Social engineering. The more information they have about you, the easier you are to immitate.
The threat isn’t in any one piece of information about you; it’s in the corpus of knowledge, the profile they can build. Your tastes in music - at the granularity of not only what you listen to, but how much, and at what times - can help narrow down:
how old you are
where (in the world, and maybe to the time zone) you live
your mother tongue
probably your socio-economic status
These are just the things I can tyink of off the top of my head, and I’m not in infosec.