1440p isn't really available on official streaming platforms, so it is indeed a lot more rare. It's pretty much only available on original encodes, i.e. BluRay

1440p isn't really available on official streaming platforms, so it is indeed a lot more rare. It's pretty much only available on original encodes, i.e. BluRay rips, this makes it a format that very rarely seen on currently airing shows, which are mostly webrips from official streaming platforms. You'll often see it alongside the usual resolutions for movies that have since been released on disk.