Yes, other people make podcasts too.

The Osher Günsberg Podcast
(Interviews with humans)

Photon Detector Podcast
(Photography)

Mellan Skärpa och Korn
(Photography,In Swedish)

SUNNY 16
(Analogue photography)

WITHACAMERA
(Photographers and photography)

MY DAD WROTE A PORNO
(BADLY WRITTEN ADULT LITERATURE)

NO SUCH THING AS A FISH
(FACTS, LOTS OF THEM)