Julf
Facts are our friends
However, it's often down not to a creative choice but ignorance and path of least resistance (people around the artists telling them "this is how it's done"). People aren't born knowing this stuff and there are a lot of young musicians who aren't willing or able to question things.
Absolutely - and a lot of musicians have grown up listening to over-compressed music, and have learned that that is how it is supposed to sound.
It is still a "creative choice", just like the choice of guitar pedals/effects you use.