And the question must be asked, “what is the message?”
The message is simple, accept mohammedanism or the next time we leave something you won’t like it.
Otherwise they wouldn’t have been sneaking around and then disappearing without a word. Every religious groups I’ve had interactions with, jehovas witnesses, Jews, Catholics, wiccans who chose to share their beliefs did it face to face and in the open.
Not like gangsters leaving a warning to pay protection or get your legs broken.