But how is that data useful? Dev A writes a lot of small commits and then re-orders them before pushing. Dev B has hours where his environment seems idle and t

But how is that data useful? Dev A writes a lot of small commits and then re-orders them before pushing. Dev B has hours where his environment seems idle and then has a typing spree in between 9PM and 2AM. Dev C knows a lot more than A and B about the debugger.