The main point was that they changed it so instead of being activated during crisis now it applies anytime, including in peacetime. Making it similar to the cold war provisions doesn't make it sounds better.
It's an important distinction because it prevents the defence of "oh it's just an old law, there are lots of old laws on the books that everyone knows aren't relevant, they can't be tidied up for political reasons".
It was suspended for the last 15 years! Surely it was easier to leave it suspended and unsuspending it is a conscious choice.