What would be your opinion of a person who strikes up conversations by generally saying "don't tell anyone this but..."

I tell people I’m the perfect person to tell since I really don’t care and will likely forget you ever told me. 😂

They always look confused then tell me anyway. 🤔

Well, don't tell anyone this but, I'd immediately tell them I'm going to tell other people.

Don't tell the anything private.

Sounds like a couple of my coworkers