I deleted my Reddit account which kept the old design on it. Now when I occasionally browse Reddit as a non-user, it looks like an awful implementation of material design with tons of wasted space. For example, I see about 1.5 cards per page on my 13" laptop. Who designed this? It is horrid and nearly unusable. Not that I'll be using Reddit that much anymore, but it's like they deprecated the desktop version for mobile-everywhere. There's a reason the form factors are different!
One metric I'd love to see is the comparison between use of the link to visit the old site from the new site as opposed to the link to the new site from the old