Or maybe they have one of the millions of reason to not want to talk with the strangers.

World is not your amusement park, people are entitle to NOT wanting to talk to you as much as you feel entitled to talk with everyone.

> World is not your amusement park

That's literally what the world is. It's the amusement park for all of us. Some of us like sharing our joy with others. It's up to you whether you are open to receiving it.