It seems to be an overall trend in all manner of visual media, and it's gone from an avant garde style decision to being the norm. Not a huge fan."
I think it all boils down to "this was the best we had at the time, and it was way better than what preceded it" as the evolution progressed, especially with the 2600 games. I honestly don't recall any of my friends ever remarking that a 2600 game was even remotely bad until E.T., because we were all so stoked to have video games of any kind.
Specifically, that first Madden (and I also think of the first EA basketball games on the Genesis) was a mind-blowing experience simply because of how far advanced it was when compared to what had come before it.
In a way, it's like TV. Think of how amazing TV first was, and how jaw-dropping an 8" screen was, and COLOR"
This doesn't even take into account the impressive use of the a capella version within the game when climbing that insanely long ladder."

And I do agree with the feeling it's not going anywhere any time soon, for pretty much the same reasons you put forth here.
By the way, I must admit, it's one of those things I've noticed, and been cognizant of, but hadn't put the brain cells together to articulate. Thanks for the great article."