Muir is totally worthy, and here is why. After exiting the Whitney Freeway, you can sit(rather precariously though)on the summit of Muir alone. It was the most enjoyable part of the Whitney trip for me. My own 14er without the Disneylanders.
"Live it up, fill your cup, drown your sorrow, and sow your wild oats while ye may, for the toothless old tykes of tomorrow, were the tigers of yesterday"
--Tom Patey, from the The Last of the Grand Old Masters