Because there are nonsexual ways to be naughty with tentacles.

Also I'm now like 300 kinds of upset no one has made a cartoon about a kleptomanaical octopus that uses its color and texture changing powers to hide in the walls when doing a heist.

Well, cephalopod disguise abilities always get eclipsed by chameleons in cartoons. CEPHALOPODS ARE OBVIOUSLY BETTER.

Well, the state of animal education in the world of cartooning is woefully pathetic at times. I WILL CUT YOU IF YOU GIVE ME ANOTHER HORSE OR NOT-DOG-THING THAT ACTS LIKE A DOG. STOP GIVING ALL CATS MILK THEY CAN DRINK WATER FOR THE LOVE OF GOD AND JESUS CHRIST DON'T PUT THAT GOLDFISH IN A GALLON BOWL.