Some will have to, because the government is most often extremely negative about crypto.
really don't have to take it off. not all countries have such strict regulations regarding crypto.
some only regulate mining, or only for crypto projects in their country. it does not decide for its citizens to own crypto assets including bitcoin.
everyone is free to own it even when their country regulates ownership of bitcoin assets.
everything can be designed without even knowing the identity of the owner of the crypto asset.