All three of those are orders of magnitude harder to learn than web technologies, which have been backwards compatible for something like the past 2 or 3 decade

All three of those are orders of magnitude harder to learn than web technologies, which have been backwards compatible for something like the past 2 or 3 decades and see little churn in the APIs. Not saying it’s better, but it is a lot easier to learn, so the vendors need to work a lot harder if they want to compete, which they don’t do, which is why Electron is so popular.