The best reason for not shooting Sasquatch: If you see a Sasquatch is probably a person dressed up like Sasquatch.
Plus Sasquatch is funny. I thought Sasquatch's reaction in the YouTube clip above was also the best rebuttal to President Barack Obama's State of the Union speech tonight.
h/t to Hot Air Headlines Good Advice: "A Texas teen shot what he believed to be a Chupacabra earlier this year, and while charges were not brought against him, if the creature turned out to be someone’s dog or a mangy coyote, he could potentially have faced a felony charge." The first rule of shooting is know what you are shooting at.