First, I think this protest is not well thought out. Yes, Trudeau's government put in the mandate. But so did the USA. So, regardless if the government didn't have the mandate, this small group of truckers would be suffering the same fate.
Second, I'm sure Harper would have acted similarly to Trudeau. A deadly disease should not be a partisan issue. It has become one because of Trump. That's why you're hearing these protesters echo US protests about freedom and what not. Would Trudeau invoke the Emergencies Act on BLM if they did this? Impossible to tell, but my gut is he would because of what is going on.
Third, I'm curious what you want Trudeau to do? Meet with these people who were seriously calling for the overthrow of our democratically elected officials? Who would he speak with, white supremacists Pat King of the leader of the western separatists party? Should the PM meet with every group that decides to protest on parliament hill? Or, are you saying he should have invoked the emergencies act sooner and got the military involved? It's a serious question because you seem to think Trudeau has command of the police. Is that what you believe? What should he have done? What would any PM have done? Keep in mind, his family caught covid just as this thing started so he had to go into isolation. But even if he didn't....I just don't know what magical powers you think the PM could use to have resolved this earlier? Capitulate to their demands? That doesn't seem like a good idea....
Trudeau is right though, the majority of Canadians do not support this protest. At best, maybe 30%. Majority of Canadians have followed the rules, got their shots and have stayed safe. We've had 35K deaths, which many could have been preventable. But, if you look at the US where they are all over the map in regards to mandates and vaccination levels, they have 925K. The US population is roughly 100X Canada's. So, you can say that roughly we've had almost 1/3 fewer deaths. I mean, imagine if 90K Canadians died. So, what does this tell us? Our system, despite the restrictions, have save thousands of lives. The sad reality is that people who believe a lot of this protester stuff have died or will die because of the virus. And they'll likely bring some of their family or immunocompromised people with them.