You don't really need to read Hannah Arendt on statelessness to know that removing someone's citizenship because you dislike them is way high up there on the list of things that fascists do. https://www.cbc.ca/news/world/elon-musk-citizenship-petition-1.7466278
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Here's the legal standard for treason:
citizenship brings rights, but also responsibilities.
https://laws-lois.justice.gc.ca/eng/acts/c-46/page-5.html#h-115892
The issue is worthy of debate