Problem is you guys force cows to eat corn instead of grass, I even remember as a kid during my first vacations in the US when some waitress at an upscale restaurant was bragging about their AAA grade corn-feed beef steak, which was only slightly less chewy than leather.

FORBES: What Makes Argentine Steak So Renowned?

Dry aging is so important that it supplants USDA grades: dry aged choice beef tastes much better than the highest grade, prime, un-aged.

FORBES: Steaks Worth Bragging About Are Dry Aged