I watched the video and I've seen such demonstrations before.
How do I know there isn't something wrong with that gun?
Im sure it's possible a malfunction could happen this way, but doesn't seem likely.
Im not going to argue you can't induce a malfunction but I don't think that's the same thing as the gun malfunctioning with a weak , inexperienced grip.
The shooter in the video is deliberately allowing the gun to be completely loose in their hand. I don't think that's what an inexperienced shooter is going to do over and over again. If an inexperienced shooter shot with that loose a grip they would prob stop shooting after the first shot as they would feel line the gun was going to jump out of their hand.
When the criticism of "limpwristing" is leveled on forums like this , it's usually referring to people who have at least shot a gun before. I doubt any of the posters who have ejection problems are holding the gun this loosely. These posters are getting repeated malfunctions while trying to improve their shooting. Again, I doubt they are repeatedly shooting the way the video shows. I don't believe that the realatively flexible wrist action inexperienced shooters might use should be responsible for this kind of malfunction on a combat weapon. It would just be too easy to shoot it incorrectly in an abnormal situation.
Let's also remember that when it is stated it's because the glock is such a "lightweight gun" , the frame contains a usually full magazine which should have weight to provide enough inertia to the frame compared to any other auto pistol.
Also, I HAVE tried to duplicate this malfunction with four different glocks. I have never been able to get mine to malfunction, EXCEPT when I had a damaged extractor or using hugely extended magazines.
Maybe I'm too manly to limp wrist enough, even one handed?
I accept that it's possible to induce a malfunction with a deliberately incorrect or extremely inexperienced incorrect grip. I don't think it's very likely poor grip will repeatedly cause a malfunction unless something is wrong with the pistol.
In the cases we see posted on these forums I think it is really unlikely that limowristing is the cause of repeated problems.