Everyone has right to follow a religion, discuss about it in public or in private and to change its religion if they want.

This right is closely related with the right to education and the right to freedom of speech, since with education you learn respect and with freedom of speech you can speak freely.

This includes your right to wear clothes related to your religion and non-religious practices, such as atheism, agnosticism, veganism, etc.

Let's keep seeing examples with Thanos, imagine that Thanos turn into an alien religion and decides to ban any other religion forever.

Let's see!