You are confusing taking a class with actually having ethics. No amount of attending a lecture about ethics will convince you if you do not, as a basic premise agree with the ethical principle that loss of life is a bad thing. And to be very clear, ethical principles are subjective. There is no objectively right or wrong thing as far nature is concerned.
Then Trudeau should have kept his trap shut about it until he had the ability to produce hard evidence. Now, he may have even compromised the investigation, or made a fool of himself if this investigation exonerates India hfsctually or due to geopolitical ‘compulsions’).
It’s a stupid hill to die on.