Me?
I generally don't mind simple mods as long as they are non-destructive and reversible. But that's only if the mod is **actually** reversed by the person who did them. I believe an item, no matter whether its an arcade game or jukebox is more likely to end up in a landfill the more "franken" it has become. It's a main reason I always strive to bring things back to original.
In the case of the video, it seems he is selling it so I disagree with his decision.
However if it's the case where the jukebox is -truly- not repairable and would otherwise be busted up (etc) then I'm absolutely for re-purposing it.
I've done essentially the same setup in the video with an old Android tablet, except I'm using bookshelf speakers not a jukebox.

