Bad taste and tackiness aren't outlawed by the Constitution.
Phelps is a cartoon. Ever seen the guy interviewed? He always has this little smirk when interviewed. This is all a game to him. He loves the attention.
His followers are the dangerous ones. Do they merit pepper spray? Absolutely not. The dope that sprayed the Westboro clown and rodeo show just gave them some martyr points. Dumbass.
The Westboro freaks should just be ignored, period.