no expertise in infectious diseases

Since neither of us has this there is not much point in either of us trying to evaluate studies. Deciding to believe the ones that the vast majority of trained personnel dismiss, while not knowing enough to evaluate them, is not a sign of anything good.

vast array of studies by leaders in their field

The vast array of studies by leaders in their field supports the message being delivered by the best medical facilities and institutions in the world. There are a few outliers, none of whom have much standing with their peers.

contravention of established norms

The established norm is that doctors follow public health guidelines.

monoclonal antibodies still aren’t currently used in most of Canada

Lack of facilities and lack of trained personnel figure into this. https://globalnews.ca/news/8218172/canada-regeneron-monoclonal-antibody-covid-treatment/

the government doesn’t promote healthy living

I believe they do, but the supermarkets carry what sells. Deny the people access to their chocolate frosted sugar bombs? That would be too much government control.