I don’t think the point is the number. The point is that the arrows indicate the width, which is 1920 pixels. But the numbers indicate the height (1080 pixels)
So the sticker is mildly infuriating by having the arrows not correspond to the number, which is the topic of this community.
Lots of people have moved away from raid entirely because of some of these issues. There are alternatives these days. For example mergerfs or the ZFS file system.