I worked for a media conglomerate for several years on several high volume media sites. The GMs and POs that I came across often had a great sense for what made user experiences great, but those would take a back seat every single time for revenue opportunities. A company wants to do an ad takeover for the sites and slather sidebars/banners/popups everywhere, Ad Ops wants to sell a new module in the right rail, Outbr…
AMP is the only reasonable alternative I've seen How about making the site fast and usable in the first place?
The current revenue model is completely at odds with performance. If you're an established media company you can't just bail on principle and give up millions in revenue, unfortunately.