The speculative weasel word here is "might". What are the relative human costs and how were they defined and estimated? To say "might" tells us nothing but imp

The speculative weasel word here is "might". What are the relative human costs and how were they defined and estimated? To say "might" tells us nothing but implies, to some readers, the correctness of the speculation. That is misleading. (Lede headline writers, take note.)