Inasmuch as Jesus commanded disciples to perpetuate themselves (the great commission, Matthew 28:18-20; Mark 16:15,16); to demand that Christians NOT evangelize is to demand that they not practice their religion. At the Academy Christianity has effectively been outlawed.
Yeah, you'd think somebody would file a lawsuit. Oh wait, the ACLU and lawyers in general have been knowingly hiding behind sophist arguementing to advance their Radical Secularist agenda for decades...Sorry I forgot the lay of the land for a second there.