According to NHL feeds, the Blackhawks are still open to weaponizing the cap should teams want to dump contracts in exchange for assets to add to their rebuild.
Weaponizing cap space is nothing new. See the Arizona Coyotes, they do it almost every year. The concept is simple, teams need to reach the cap floor and if that team has no superstar players they trade for LTIR contacts in turn for draft picks and prospects.
The thing that I have always wondered is should something like that be legal, you accuse LTIR cap space which you then can use at the trade deadline. I get the Hawks aren't good, but the question still stands.