"If you allow web applications to be more like native apps"
Then you can be sure that the mayhem we are currently witnessing will expand tenfold, then tenfold again.
Look, I understand that this is interesting and important from a business point of view, but please, pretty please, DO NOT EXTEND THIS TO THE WEB IN GENERAL.
Because that will just be the end of the web as we know it. For reals.
Also, make sure you never program any SCADA interfaces with that, because God knows Russian hackers would just love to hijack that.