The point is NiMH cells don't always work properly, especially in older devices. I dunno, maybe all of you replace all your electronics every 2 years. I tend to run things until they die. My digital camera does 1024x768 (wow, that was a lot of pixels back in the day!) and it will not operate worth a darn with NiMH. My brand new 6ch hobby radio will also warn me of low voltage after practically no use. I could go on and on and on with real examples that I own.
You will say, "But... but... that means your devices aren't draining your alkalines down to the last drop! They are faulty!!" Umm ok. I'll agree that they don't drain the cells down to the last drop, but whether that means the designers committed some great sin in requiring a minimum cell voltage in order to be able to use 4 cells rather than 5 (!?) is debatable.
And this may come as a shock to some of you here, but not everybody has a regulated light. Hell there are also these things called incandescent bulbs.
As I see it, comparing a AA LSD NiMH to a AA NiZN is about as valid as comparing it to a LiIon 14500. Unless you are designing your own device or hacking an existing one, it is a meaningless comparison, and hardly falls within the bounds of "consumer application".