I believe this has become an authentic Idiomatic Expression which, despite the possibility of 'interpreting it' as you suggest: always and everywhere meant and means:

[About the topic raised] I don't give a shit\ufffd!!
(And a soup\ufffdon of.. See how non-PC I Am !?! cha cha cha -- in recent years)

That's my brilliant analysis and.. I'm Sticking To It
(see how incisive, perspicuous and Resolute I Am ??)



moi