You mean developers who not only know 4-5 different language-runtime-GUI stacks well, but also casually maintains 4-5 different versions of the same app? I don’t think they’re “gone”, I think they spend their time in better ways.

To put it in another way, business doesn't care what language it is written as long as you ship it fast and it passes QA.

Electron gets the job done, and you can tap a huge pool of devs.

Until liability finally becomes a thing in computing like in other industries, then lets see how much everyone cares.

It is slowly happening, lawsuits against failed consulting projects, returns in digital stores, fixes free of charges due to warranties and security regulations changes,....