Nick66 said:

My suspicion is (and this is purely a guess) that if Disney indeed is planning on releasing the OUT in BD, they'll still have minor corrections like the Blue R2 in there, so hopefully for those who want an "improved" OUT, they'll get it one day.

I wouldn't have a problem with that as it would be an official release. Minor corrections are fine if they don't go beyond the extend of Blade Runner: The Final Cut. Until then, it's simply impossible to leave R2 blue because there is no such version.