“Most of the cheap cuts of meat are very inexpensive…If you buy a Porterhouse steak or a strip steak, it is gonna set you back…
You can buy liver or the cheaper cuts… that are very, very affordable.”

— Robert F. Kennedy Jr., Secretary of the U.S. Department of Health and Human Services.

The funny part is he’s not wrong on price.
The real reason people aren’t “solving” grocery inflation with liver is simpler:

Most people don’t want to serve liver for dinner.