I mean, that's actually not too much of a downside, since salt is a fairly valuable economic good - Indian salt farmers do exactly that to harvest the salt crystals.
We're coming to the inevitable conclusion that we can't keep doing this, as there's little existing ecosystems to destroy - I mean: we're looking at deserts and thinking: "why not?". Slightly more outlandish, we're looking at whole planets and thinking the same.
Some call that par for the course, others unsustainable. Still others don't make a distinction and see them as the same.