Why the flags of the nations wave with religious symbols over the EU, UN and NATO therefore it is important to replace the religious symbols with the countries' own ccTLDs ?

Why do the flags of nations wave with religious symbols over the EU, UN, and NATO? It's important to replace these symbols with the countries' own ccTLDs. This change would make the flags more meaningful and respectful.

We start from the principle that it is democracy that has given all religious communities freedom of religion, and that democracy be introduced in all religions, without exception.

A transition from church elections to a multi-religion electoral system in those countries that already have church elections, In other countries (USA, UK, China, India, Iran, Israel.....) that do not have similar elections, a multi-religion electoral system is introduced. !