Many people learn to game this to make their "numbers" appear good i.e. high number of CRs and low revisions per CR.
I do see the value in breaking down larger chunks of work into logically smaller units of work and then produce multiple pull requests where needed.
But some people are really clever and influential and manage to game these numbers into "apparent success".
Many people learn to game this to make their "numbers" appear good i.e. high number of CRs and low revisions per CR.