I’m supposed to be scared of the military who has spent the last 80 years losing wars against nations a fraction of its own size? The US couldn’t “seize” afgha

I’m supposed to be scared of the military who has spent the last 80 years losing wars against nations a fraction of its own size? The US couldn’t “seize” afghanistan in two decades, what makes you think it could “seize nearly every country on earth in days”?