To read the original article, click on the title: https://moseleywilliams.com/the-non-believers-at-the-gate/ (The Non-Believers At The Gate.)

So to summarize:

Do you know the difference between a ‘really good idea’ and a market?

A market is a really good idea that other people want.

Seems pretty obvious to me that the smartest thing you can do is pay attention to the people who like the idea, and the people they know who agree with them.