Not just good enough software. Also good enough cameras and good enough processing power. None of which curenty match humans so this is not a valid argument.

The camera only system is just worse at everything.

I don’t understand their endgame here. I’m sure they could take over Canada by force if they wanted, but keeping it is a whole other matter. They should have learned from the many wars they fought that occupying land the locals don’t want you to occupy sucks.