It isn't a matter of how much JavaScript or how many LOC you have. It's a matter of design. If they were designing something with a focus on excellent performan

It isn't a matter of how much JavaScript or how many LOC you have. It's a matter of design. If they were designing something with a focus on excellent performance (which is what they really needed) instead of feature XYZ (which they thought they needed) then it would be an app with excellent performance. Don't blame the tools for bad design choices.