Agreed. He also fails to control for variation in project types that languages are commonly used for. e.g. perl/bash are often used to write short scripts, wher

Agreed. He also fails to control for variation in project types that languages are commonly used for. e.g. perl/bash are often used to write short scripts, where as Java is typically used for enterprise applications; so of course the commits for the former will have smaller commits than the later.