Is it just to do with the image sensor tech of the time or is it a deliberate effect? What is it called?
A lot of music and pro videos shot during the 00s have that misty, glowing, saturated and grainless look throughout the entire videos, which you don't see any more.
Just a few prominent examples:
Usher - U Don't Have To Call -
Professional ad for a facial workout DVD -
Outkast - Hey Ya! -
Pussycat Dolls - Don't Cha -