First comment: >I've had this problem on multiple MacBooks (from my old Powerbook 15 from 2003 to prior to finding this question on my late 2011 MBP 13"). so

First comment: >I've had this problem on multiple MacBooks (from my old Powerbook 15 from 2003 to prior to finding this question on my late 2011 MBP 13"). so about 21 years