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.
Electron gets the job done, and you can tap a huge pool of devs.
It is slowly happening, lawsuits against failed consulting projects, returns in digital stores, fixes free of charges due to warranties and security regulations changes,....