Then they risk getting shot or stabbed by a pro Putin thug or agent. Your advice is patently bad.
Wearing it in Egypt? The OP knows better than us. It might simply be self-preservation. I won't fault him either way.
Choose your risk.
https://www.youtube.com/watch?v=RDnvXAkMnx8
(Die Hard: With a Vengeance (1995) - Bad Day in Harlem Scene)