Yes. Trudeau's father did the same thing (look up "Just watch me"). Anyway, there's no such thing as separation of powers in Canada. It's called Parliamentary Sovereignty.
We don't have the concept of co-equal branches of government, but the judiciary can declare acts of parliament to violate the charter of rights and freedoms. The Emergencies Act explicitly says it does not supercede any constitutional rights.
Several MPs and MLAs have received suspicious packages: https://www.cbc.ca/news/canada/nova-scotia/mike-kelloway-sus...
"Protesters" tried to break into a federal MP's constituency office: https://www.cbc.ca/news/canada/nova-scotia/covid-19-protests...
And that's just Nova Scotia. This isn't as bad as the October Crisis, but it's still quite serious. It's not small potatoes.