Why do the Grateful Dead keep getting bigger?

Despite the fact the original lineup disbanded decades ago, the Grateful Dead continue to get bigger and bigger. So, why is that?

GDBC: The Music of Grateful Dead in Vancouver at Rickshaw Theatre

We all could use a little more PEACE in our lives! Feel the warmth of the Marching Bears hugging you with their love and positive vibes! *Model is

Official Grateful Dead Peace Bear - Navy/yellow/orange

Grateful Dead Action Figure Release: $12 Uncle Sam Skeleton on

Grateful Dead Essay

Chest 23 in. Length 28.5 in. Content: 100% cotton Tag Brand: Liquid Blue This vintage band tee pays homage to the Grateful Dead circa 1990s. It's

90s Grateful Dead Keep Truckin Rock t-shirt Extra Large

Why Can't We Stop Quitting the Grateful Dead? - The New York Times

The Rock and Roll Playhouse plays the Music of Grateful Dead for

Holy - Lights - Track of the Day

Watch Grateful Dead Rope A Pair Of Cowboy Songs In 1990

Holy - Lights - Track of the Day

The Rock and Roll Playhouse Plays Music of Grateful Dead + More

Grateful Dead Comix, Volume 1, Issue 2: Cumberland Blues : r

Grateful Dead Best Live Shows: 20 Every Deadhead Must Own