This is what the terrorists want. It's how they get the name, "Terrorists." They promote and spread terror to disrupt people, governments, and countries they don't like, usually with terrorizing methods like bombs. Terror comes from the Latin word "terrere," which means to frighten or scare badly.
What concerns me is that these stories seem to bring out two facts:
1. Police don't know the law, and enforce based on personal feelings
2. If places are allowed to photograph us, but we're not allowed to photograph them, that's a very unfair advantage.
Here's some US examples exaggerated to the point of being silly: