There are several very useful reticles.

I can’t think of any advantage the Leupold wide duplex offers. Can’t use it for holdover, can’t see it at last light (not like Heavy Duplex).

Maybe acceptable for dialing/long range. Except Leupold scopes are notorious, and have been for pretty much forever, as terrible dialing scopes. Have you ever tried to sight in a 6x36? You kind of have to guess how many clicks it will take to move an inch. Sometimes 4. Sometimes 1. Sometimes 16. They do hold zero pretty well. Which is why the LRD is a good reticle.

I use both 6x36 and 6x42 scopes regularly. I have none with the wide duplex.