duh ground beef is still much cheaper,the steak that makes it into GB is old and out of date.
*sigh* This is just not true. Ground beef is mostly made from the meat left over when they cut premium roasts and steaks. It is not "out of date" or "less fresh" than any other meat in the cooler. There are various mixtures of fat-to-lean and ground beef is certainly distinguished from ground chuck, which is ground steak, or actually, ground chuck roast.
The only 'health' difference in ground beef and other cuts of beef is the processing itself. Ground beef is three times more likely to carry food-borne bacteria because of going through unclean grinders.
None of this has much to do with the OP, and it's a shame that some people had rather derail the topic to talk about hamburger meat, but that's the Joy of USMB, I suppose.