Sure is ad hominem up in here.
All pistol rounds are pretty much the same, if you put them where they need to go, they work almost identical, if you miss a vital area they are all about as equally ineffective.
9mm offers the most capacity, lowest recoil, and lowest cost per round, other rounds do not offer any significant advantage. 9mm is also the deadliest pistol round in the history of the planet. Oh, and when you shoot 5,000-10,000 rounds a year, 18 cents a round compared to 30-35 cents a round is a big difference.