I read a joke that SIG is an acronym for Self Inflicted Gunshot wound. Humorous in a dark sort of way to be sure. However, one must take into account that since the P320 has been introduced, problems of this kind have been pretty consistant and far, far too regular in occurance.
ANY handgun that because of its design has a flaw that will cause it to discharge as has been reported is unsafe and shouldn't be carried AT ALL. All of us who tote handguns are full aware (or should be) of the risks involved in doing so and that handguns are often carried in a position where they can be hit, banged against something, dropped (yeah, "just begin" as my old plt sgt used to say). This is day to day use and the last thing anyone of us wants is for that weapon to go BANG when climbing in/out of a patrol vehicle or bumping the table in the roll call room.
There is a problem with this weapon. Period. No excuses, no reason, no nothing. It is a design flaw that SIG can't or doesn't want to fix and haven't despite their insistence. Right now, the SIG P320 is not only military standard issue but also multiple police agencies big and small. This is going to change VERY quickly. Even if the problem was successfully corrected, the pistol itself will always carry the taint of its past. That's why ANY firearm should not leave the factory without complete and through testing. This weapon obviously didn't.
Like Ian "Gun Jesus" McCullum (sic) on his channel suggested...just discontinue the weapon. FWIW when our DPS wanted to replace their SIG 357's they went to S&W M&P's...and had so many problems they scrapped that idea and went with the P320. So SIG isn't the only company to lay a big steamy one, but in S&W's case, the malfunctions were pretty much jamming although I think S&W has long corrected these issues where SIG has apparently not.