Yeah, even if Krzepicki had an entirely different staff of adminstrative assistants than Wiernik, that just raises different problems than if there's significant overlap between the Writing Committees.
I wonder why they're each writing only a couple paragraphs at a time.
Were they literally just passing around the sheets of paper to each other? One person would add the deportation, the next person would write an account of arriving at the camp, the next would add references to chlorine poisoning, etc.
Similar to Wiernik, Krzepicki's manuscript was lengthened before being published. By who?
Donat transforms an 12-page account into 70 pages.
The conventional answer is that Krzepicki/Wiernik broke down crying for so long in between paragraphs that different people had to take "shifts" in writing the accounts down.