Earlier quoted context omitted.
Qt may not 'look' native, but it has native performance, whereas Electron really doesn't.
I would argue that the web platform is one of the most optimised and performant platforms for apps.
Curious what desktop do you run your browser under?
I would give you an example of a simple video split application. A web platform requires uploading, downloading and slow processing. A local app would be hours quicker as the data is local.