"Tough" was supposed to be "touch", yes (and I've edited that correction into my previous post).
with the "God exists/doesn't exist" axis being a mere distraction?
Yes, that's about it.
This axis makes sense to me as a single axis, then.
there's no fundamental reason why a theist couldn't hold pretty much the exact same view of evolution as an atheist.
Not only is there no fundamental reason, but that's also pretty much the official position of the Vatican, who are about as theist as you get...
The Vatican's official position is less than perfectly clear. Humani Generis in 1950 grudgingly accepted that Roman Catholics scientists could work on evolution, provided they didn't hold that evolution was definitely right and provided they accepted that souls are directly created by God. Then in 1996, addressing the Pontifical Academy of Sciences, JP2 accepted that evolution is "more than a hypothesis" (but do see the footnote about that phrase), but he by no means said that evolution proceeds without any divine involvement, and indeed it seems...
Another month, another rationality quotes thread. The rules are: