The Baja method awards points for the amount of cactus destroyed only when the trundled stone reaches the water, in what is termed a "Grump". Distruction of any "valued property or life" is generaly avoided.
-What?whatwhatwhat GABIE YOU TRUNDLE
-AHHHH! I'M SO WOUNDED!!!
-But not permanently.
-Oh. You're right. Cool. Sorry.