Normally fascination with others life is sign of personality disorder / mental illness.

They have no respect of boundaries nor even understanding of respect for self, never mind others.
Will not raise their personal alarm something is WELL wrong with their mental state to be stalking, investigating, silent calling or pervert calling etc others.

Or gossips, that tend to be jealous bitches who try to invent crap on others thinking it makes their life more appealing than the joke it is.