Two reasons: first, the earlier post specifically called out that, "...ultra wide 1440p monitors cap out at 100hz right now, not 144hz." Second, it's all about

Two reasons: first, the earlier post specifically called out that, "...ultra wide 1440p monitors cap out at 100hz right now, not 144hz." Second, it's all about pixel count. While 4k is still miles ahead of even the 3440x1440 ultra-wide resolution, that resolution represents nearly as big a jump in pixel count as the jump from 1080p to 1440p. The goal is 4k at a minimum of 60fps. Consistent 100 hz or even 144hz on an ultra-wide 3440x1440 monitor represents a solid step in that direction.