Has anyone considered that since the SW universe plays host to a wide array of alien life, each with its own unique visual abilities, that perhaps the SW holograms are designed to be functionally visible to the widest set of species? This means that there is a downgrade in fidelity since the holographic projector is…

You can’t be serious. You seem to know nothing about how the natural world actually works. Insects don’t need to dig into the ground to find the waste. They exist all throughout the soil. In fact, 80% of all of the planets biomass exists below the surface.