Maybe forums were already perfect. Sure, design could always be updated. However, what's wrong with vBulletin 4 UX? Nothing. It works in all conditions. Not so

Maybe forums were already perfect. Sure, design could always be updated. However, what's wrong with vBulletin 4 UX? Nothing. It works in all conditions. Not some self-updating battery-draining endless scrolling website. Yes, I'm looking at you, Discourse. Not to mention the tremendous amount of edge cases where it fails because its complexity is simply out of control. For example, it drops posts on any kind of connection interruption (tab sleep, network down, device sleep, …) unless you refresh.