1,000 lines of code per commit is ~2 magnitudes higher than what a human programmer writes per day.

Relevant historical context: https://www.folklore.org/Negative_2000_Lines_Of_Code.html

When Apple Lisa managers started requiring weekly line-of-code counts in 1982, Bill Atkinson had just rewritten QuickDraw's region engine with a simpler algorithm that was 6× faster and 2,000 lines shorter, so he submitted -2000 on the form. Management quietly stopped asking him to fill it out.