Adding wood to the fire.
A firm hold with a 9 mil (any 9 mil for that matter) is necessary if you want to hit whatever you're aiming for (one handed I mean). Besides that, and I did it countless times just to prove it, limp wristing a Luger (in good working order), or any other 9 mil that I've tried, has never affected reliability.
Climbing out of the soap box that I inadvertently stepped on.