For the record on my behalf, I don’t play a 5er, I do go to drop D or normal tuning be it half a step down or not.
Only reason I don’t play a 5er - never had to go beneath a Drop tuning regularly enough to warrant it, and it keeps bass real estate to a minimum thus not triggering the wrath of her indoors. If I got into 5’s as well, there would be no hope for me...
nowt against any folk using whatever strings they want, and to be fair, I could probably use a 2 string