The concern is not really around disk but memory, opening just a few Electron app instances is enough to bring a machine with 8GB of RAM to its knees. I’m almost convinced that this is some kind of a planned obsolescence plot.
A standard interface for web views would be great, I’d love to force everything onto a consistent version of Gecko, but really we need a new native cross-platform batteries-included framework with controls and layouts for 90% of standard business scenarios.