Earlier quoted context omitted.
I think the takeaway is that he showed them a complete product, rather than a pile of schematics. Looking through Github accounts is extremely tedious and boring. On most profiles I’ve seen it‘s hard to tell what all the repos are about, and what the important stuff is. So if you‘ve made something awesome, you need to market it a bit. Don‘t point people to your Github account. Point them to the project website, where…
There could be a product in there - verified contributions of actual people?
Yes. And I shall call it “my GitHub repo!”