You run into them every once in a while...caliber snobs
A CZ75, is a darn good emulation of a Browning Hi Power, and was a Soviet Bloc pistol, until the wall fell. The 9mm Parabellum round has been around near one hundred years now, and has worked successfully in WW1, WW2, Falklands, and quite a few places of darkness in the night.
Never mind those that want you to walk THEIR chosen path. THEY are NOT you!
Jihadists still shiver at the name, "Charles Martel". Where is he today?