At this point its hard to come up with interesting arguments. I don't like electron as much as the next guy, but if you ever tried to develop a desktop app you can easily appreciate Electron for what it is.
Anyway heres some other choices might be viable these days: - Flutter desktop https://flutter.dev/multi-platform/desktop - Jetbrains Compose https://www.jetbrains.com/lp/compose-mpp/
IMO immediate mode guis should be option as well, like imgui, egui. (But afaik you basically throw accessibility out of the window)
The Lagrange browser for Gemini[0] was built in C with and it's cross-platform thanks to SDL. It's still possible.