He is an idiot. When you re-holster a Glock (or just about any other handgun) and your finger is inside the trigger guard, it will go BANG! Dip stick will blame the striker spring because Americans have been conditioned to believe it is ALWAYS the fault of someone/something else.
He needs to shut the hell up.
In life, strive to take the high road....It offers a better field of fire.
"Robo is right" Fuzzball