According to this article, it’s a given that the Arctic ocean will soon rival the south pacific in ice. Why would we need icebreakers of any weight?
And global arming takes another victim.
We need them for the Antarctic too. And if the ice melts this year and then comes back next; penny wise and pound foolish we still have no heavy Ice Breakers.
No one has launched an ICBM in anger so why do wee need anti-missile defense? The moon is made of rocks, so why do we need to go back again?
etc