I just don’t think it matters enough to warrant the effort. Say you do architect the system capable of rendering the perfect loading bar, because it just has to

I just don’t think it matters enough to warrant the effort. Say you do architect the system capable of rendering the perfect loading bar, because it just has to be a systemic solution... what did we really solve here? It still takes 10 seconds to do the operation, there is just better incremental progress? Decent incremental progress is basically the same as perfect incremental progress IMO