I'm of the same opinion--but if the adjustments are reliable in any scope--and can be turned by hand--then it's easy to mark your own turret. I do it all the time, with adhesive paper or tape covered by tough, clear tape. Apparently Formidilosus does the same thing too, judging from some photos he's posted!

“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck