Of course none of us hear the same for many reasons but it's amazing to me how many people don't have the mental discernment to realize the vast subjectivity that goes along with listening.
physiology and psychology of hearing
That is my interpretation of the video, but he named it:
The answer is no, we knew that, but some interesting conditions mentioned explaining why in this video from a recording engineer.
Congenital amusia, or tone deafness, the inability to determine if one note is higher than the other, affects 4% of the population; that is 1 in every 25 people- wow.
And yet they may still own a high-end kit.