Soldiers need detachable magazines when they are "laying down the lead." Competition shooters might need a DM to meet the competition requirements. Varmint hunters might find a DM useful. But, why on earth would a big game hunter need a detachable magazine? For easy unloading? Thought the BDL had that covered. It is just a fashion statement on a big game rifle.
On the other hand, if you have gone from an ADL setup, which is supposedly fool proof, to a BDL setup which has some room for mistakes and failures, then choosing a magazine is just another flavor of "not an ADL." Additionally, some of the single stack magazines might be more reliable than a BDL: more expensive too.
Now, dangerous game hunters might prefer an ADL for its reliability. Then again, all of the world's armies use detachable magazines for their big game hunting, so maybe even that argument does not hold water. Then again, many soldiers have had malfunctions of their magazine-fed rifles during combat, especially those using M4s. So, it might be important to consider "which" magazine system is chosen.
Fortunately, hunting is not usually a life or death affair, so pick whatever tickles your fancy. For big game though, it's is just a fashion statement: no denying that.