"I know! I'll play a Cleric of the Red-Cross! There is no-way you can make the Red-Cross Evil!"
"In real-life they collect blood donations, give you a cheap cookie, then sell it to hospitals for profit!"
"So you'd make them an enthralled order for a Noble Vampire Covern?"
"Nah, they're just collecting blood with enchanted blades and then selling it off to the highest bidder."
"Why collect blood in a fantasy setting?"
"Those healing potions that you buy on the cheap use it as an Ingredient."
"Damn-it Chad! You manage to ruin another wholesome idea... Same time next week?"
"You know it."