The "native" app is a Chromium wrapper of essentially the webapp, so it shouldn't be surprising that the performance profile is similar to that of running anoth

The "native" app is a Chromium wrapper of essentially the webapp, so it shouldn't be surprising that the performance profile is similar to that of running another web browser. Cost-effective for the developers, less than efficient for end-users. This is the same tradeoff we've collectively chosen for many things in the "rich webapp" space.