This is the kind of shrill overreaction against certain evangelicals you might find over on Democrat Underground.
Just toss the flyer and act like a grown-up.
This woman did what any liberal would do. She knew she had to use a buzzword "threat or threatening", so she could justify a very obvious shrill overreation because she just didn't like the message.
A whole lot of people have always thought Halloween had evil implications, so what. Welcome to America, the land of free speech, even religious speech.
Booooooooo!
Woops, I hope nobody feels 'threatened'