[GGG]

Originally Posted by Hemi-Cuda

Actually so many people have been using it wrong for so long that it's entered common language and now is "officially" correct along with "couldn't care less"

https://www.merriam-webster.com/word...ldnt-care-less

Although not as old as literally meaning figuratively or actually it’s not a modern occurrence. As you can see in your link the earliest instances of couldn’t are in 1928 and by post war 1954 could was showing up. This means could care less has been in general parlance since before any of us but Dion were born.