I think that's a bit of a non-sequitur. Many people are focusing on performance in more areas than just dropping "useful" libraries - moving to async ads and tr

I think that's a bit of a non-sequitur. Many people are focusing on performance in more areas than just dropping "useful" libraries - moving to async ads and tracking (if they have any), optimizing images, using SVG, etc. Besides, 400k of (blocking) JavaScript can be the difference between the site loading quickly on mobile and the user giving up.