People have been telling their deepest thoughts to strangers they'll never see again for as long as trains have existed. Here's why.
A stranger doesn't know who you were five years ago or what you did last week. That clean slate makes honesty feel safe.
If you'll never see them again, what you share can't follow you. That freedom is incredibly powerful for the truth.
With people in your life, you maintain an image. A stranger only knows what you tell them right now — so you can tell them the real thing.
The same psychology that makes a stranger on a train the perfect confessor applies to anonymous chat. The conditions for honesty are already there.