Why wasn’t he required to have a surety/translator?

That's a valid question no matter where they were born. I'm not arguing that there were no failings in this case, I'm arguing that those failings are not related to the original citizenship of this individual.

As I said earlier

We all want to reduce violent crime in Canada so lets focus on identifying real causal relationships so that we can support at risk individuals.

Let's identify at risk individuals (both possible victims and possible attackers) instead of scapegoating non casual and even non correlated attributes of individuals who commit violent acts.

re: traffic laws in Canada. From my experience, it depends where you are in Canada (and what number plates you have). Driving the speed limit on Toronto highways is dangerous but going 10 over with Ontario plates in Quebec can get you a ticket 😅 There are lots of unwritten road rules here, it was difficult to learn as an immigrant. Especially coming from a country littered with speed cameras where 7km over will get you fined hundreds of dollars. And don't get me wrong, I think Canadian drivers are generally really good, it's just the laws don't align with the reality which can be confusing.