The goal of the Jebus King changes is primarily to create a Jebus that gives an advantage to the experienced player. Whether randomness decreases or increases depends solely on the decisions of such players.
Mirror templates are a different matter. Jebus King is somewhat like an attempt to find a middle ground, but it's still closer to a mirror in this regard. The spectacle of a regular Jebus, of course, largely depends on randomness, but this often leads to very familiar, one-sided matches, which is already getting a bit tiresome.
You're just stepping on the same rake that has been stepped on 1000 times. There's a mirror Jebus, so what? The regular one is still more popular. By the way, Jebus King feels more random than the regular one. There's no point in making big changes from a balance perspective; if anything needs to be changed, it should be for the sake of gameplay variety. You can reduce randomness to infinity, but that won't make the template popular; there's x3dm1 and 6lm for skill. And trying to balance something that wasn't created for balance is strange. If anything, you could play a series of BO9 matches on Jebus, which reduces the variance, but removing the water sphere and thinking that this will make the game more balanced is :smile40:
Added 3 minutes later
By the way, for me personally, a wildly random Jebus on SoD was more fun, simply because there was more variety. Yes, due to the flawed generator, there were very often unplayable setups, which is why it falls far short of the HotA version, but there were more cool, original, and memorable games there.