> bundling Chromium to make a chat app is the problem.

Precisely. And all that extra resource wastage is completely free! (paid by your customers).

Perhaps if there were any big software companies who were so iconoclastic as to write fast software and avoid wasteful patterns like using Electron, pressure to do better could be felt, but every company that ships software[1] behaves the same so if anyone tries out competition due to performance beefs, they'll have no relief. They'll be forced to blame their hardware and upgrade it.

[1] Only exception of course is some indie developers. I don't know of any companies that have more than about 2 devs who haven't adopted the 'modern' approach, where we only fix performance issues that completely block using the app.