Not at all. He has legitimate reason to fear for his life, and actually has the means to secure and harden the target area. Unfortunately, the rest of us don't have the Secret Service, FBI, CIA, Private Security, and the entire US Military to protect us at all times.
Hard targets mean safety. For an individual that means situational awareness and a weapon. For a known politician who people want to kill it means government agencies, access control points, armed guards, counter snipers, and likely a concealed weapon for last resort.
Far more substantial than a sign.
Far more substantial than a sign.