If someone sends a thank you note, out of the blue, to you or your team or someone else

There are 2 options you have
1. This guy seems genuine. He believes in thanking people and in comforting them. And maybe that’s what I need to do to him, because this is his worldview
2. Nonsense. Sending this note to earn brownie points. Fraud!

It is not hard to realize which of the two paths above has a higher chance of success
Suddenly, it doesn’t matter which of the two options are true!