The smaller the dots/higher the resolution, the tighter/smaller the mesh of the screen would need to be. Due to its high viscocity, squeezing white ink through a tight mesh can be challenging. I'd say it boils down to equipment and skill of the printing team.
acraigl wrote:I don't think in a DTG world it really matters much, but given the subtlety of the dithering, would something like this have been able to work with tradition screen printing? I'm actually curious.