User blog comment:V3hemenc3/What is the accepted number of farm on an AD carry?/@comment-91.120.13.74-20120919075425/@comment-92.225.96.217-20120920141323

It's not wrong at all. If the AD carry just focuses on farming, something is going completly wrong. Amumu catches the enemy jungler at his red buff. Sure you go on farming. Your Support gets attacked while placing a ward. Sure you go on farming.

You have to focus on everything like every other role in the team.