The difference likely is that they didn't do what these people did - try to use some package from scratch. It's much easier to take a sample and extend it, esp

The difference likely is that they didn't do what these people did - try to use some package from scratch. It's much easier to take a sample and extend it, especially if you can join a team and hop onto their running, fully-fledged project. The JS tooling story _is_ convoluted, and most people just don't touch that stuff, or when they do, they start from a working place, and just make small tweaks.