I understand the line of reasoning, but in the case of Electron in particular, it really cannot be improved. The model is: run an entire web application, per app. That's incredibly expensive, and there's no way to scale that back in a way that is still Electron.
It's not. People who have grievances about specific platforms and frameworks should complain (or, in the case of Electron, submit patches) to the actual project than whine about it on the issue tracker of every project that uses it.