This is what they do. The different sizes are Mini, regular (no suffix), Plus, and Max, with each model only being available in one or two of the sizes. I don'

This is what they do. The different sizes are Mini, regular (no suffix), Plus, and Max, with each model only being available in one or two of the sizes. I don't think they should have two slightly different "big" sizes, but regardless, the only difference between your suggestion and the current state of affairs is that the iPhone hasn't been available in Mini lately, and the SE is implicitly mini (they don't give it the suffix).