The answer: "Bridgetown is optimized for web developer happiness." :D

Like the goal of Hugo: "With its amazing speed and flexibility, Hugo makes building websites fun again." (It didn't, I couldn't get past the fact that the docs were hard to understand.)

I think tools need to focus on clear description of feature sets and leave the decision on what emotions to have to users.

But, scrolling down, I saw it said it was a static site generator. I'm still sticking to my own for now.