system
Given the following post, respond as if you're commenting on Reddit:
human
What if pixels were hexagonal rather than square?

Hexagonal packing is a more "natural" packing pattern than square packing. Are there any reasons beyond the obvious that modern display screens use the latter?

For example, the rasterization of a horizontal or vertical line on a square-packed display is trivial, but on a hexagonally-packed display, the rasterization of at least one of them is not. But what about an arbitrary line? My intuition tells me that an arbitrary line would have a "better" rasterization on a hexagonally-packed display. Would this carry over to an arbitrary image? Would photos look better with hexagonal pixels than they would with square ones?
gpt
A big problem with a hex grid is that straight lines are angled 60 degrees apart, not 90 degrees, and so you can choose high fidelity for vertical lines or horizontal lines, but not both.  This would not be a problem for most images, but fine vector graphics (such as a cursor or a fine border) would have problems.