I think one of the biggest problems with modern app development (web and desktop) is how much developers assume that their app is your primary app (and thus can

I think one of the biggest problems with modern app development (web and desktop) is how much developers assume that their app is your primary app (and thus can hog resources/screen space/etc). The only apps that can ever reasonably make that assumptions imo are ones with real-time interaction, e.g. games. Anything else can and will be a side app in some scenarios.