Supposedly multitasking and hyper-focus are two distinct and differently useful skills that can't be done at the same time. Hyper-focus tends to lean towards STEM. Boys tend to lean towards hyper-focus.

Whether this is cultural or biological is questionable, but given the natural duties of the common sexes (male/female)... it's definitely not unfeasible that the critic with options (and children) would multi-task, while the performer would be more focused on a single task.