Yes to all the above, actually. Using Electron as an example, applications are often >100MB in size, consume >100MB memory on the low end, & (subjectively) perf

Yes to all the above, actually. Using Electron as an example, applications are often >100MB in size, consume >100MB memory on the low end, & (subjectively) perform badly enough that I can easily feel and perceive the delay between interaction-response. Very very wasteful.