+1 this would speed up performance when scaling sites down for less powerful devices.
Hey 5% of the world still uses feature phones, that sounds small but it’s relative to where you live (I stay in South Africa and that figure is drastically larger)
Just my 2 cents ($0.0032) 
@cyberdave would interactions still be executed on the page even with workaround?
More push for
http://forum.webflow.com/t/scrolling-animation/9209/5