Why don't more developers “use the bitter lesson

JavaScript is an obvious skills gap. Most people claim to be able to walk the NYC train tracks because we installed a lot of honest technical incompetence. This article misses the most crucial point. Developers don't "use the platform" when it results in a strictly worse end result. Some developers are locked in to using some in house UI solution that is slow to implement any convenience features that escape the need for the ecosystem. "use the platform" for years and years and more often than not we get told to do something that logically leads to wiping out humanity 0-3 steps further down? Really?