From experts, no less!
That means that this couldn’t ever have happened. It’s a lie.
(Yeah, it’s a 9mm, but given that just about any design, when shrunk down, will run into problems that the original design didn’t, that actually speaks better of the common .45 caliber version of the 1911.)
Next time some Glock fanboy echoes the Glock “Perfection” slogan or some such nonsense, have him do an internet search.
Neither the endurance test nor the Google search above are proof positive of anything. But each are definitely counter-examples of the Religion of Glock(tm).