Why in the Sam Hell would you need printouts. Literally look at git histories and contributions per user. This is bending over backwards to explain what is most likely a simple power play that most probably backfired
So that they can show code they are proud of, not just average code or code written under pressure or when they had to do quick fixes.
If you read the thread, he appears to have asked for the last 30 to 60 days of code, printed. So not code they're proud of, literally everything. And why printed?