Balance of probabilities....

It is entirely plausible that such minor localized coercive threats and mutines could have happened in the heat, mud, blood, entrails and excrement of combat..
within a small section of a trench or no man's land as men were pushed on into raging carnage of battle..

Who knows, who will ever know, what bad things happened at the heart of darkness of warfare if all participants and witnesses
in that condensed area were killed within a very short time of each other...????

Yes this is the stuff of dramatists, fiction, song and poetry writers..

but also just as likely as could be true lost undocumented human psychology and tragedy of war..

For example, how could there possibly exist accurate statistics of hated officers and ncos murdered by their own men under the smokescreen of combat...???

..or bitter personal rivalries and vendettas amongst individual troops themselves, settled in a similar quick brutish manner...?????

Some things, none of us will ever know.