Unmotivated????? Are you serious? Do you have any idea at all really, how motivated a lot of those folks really are? Until she started her new job and can't get there as often, my daughter was at the gym six days a week (and she listened to her music throughout her workout). For a 100 pound woman, she's doing bicep curls at 20 pounds each. Who is unmotivated?
And the music serves two purposes. It's chosen to have an energetic beat that can 'lift' their personal energy levels and it drowns out the grunts and groans of the other 'unmotivated' folks who are there achieving goals of physical fitness that are much higher than most people have. Those unmotivated people are also (mostly) eating far better than any of us here and are frequently passing on the donuts, the pie, the toast at breakfast, the second helping.
Just because people are getting their exercise at the gym (instead of 'stooking hay' all day or logging or whatever else) does not mean they are unmotivated, nor are they all prima donna's. That 'fitness culture' is making them healthier and stronger while they are doing it and if more of us were following that example, healthcare costs would go down instead of continuing to rise and drain the system.
Unless of course you have shares in a publicly traded hospital and the medical industry in which case, yes, let's all denigrate people who go to gyms so your shares will go up. Personally I think if those folks were smart, they'd continue with their workouts, listen to their music and make sure they had lots of shares in the medical industry because it's going to keep paying them for decades to come.