Place it at the end of a complaint or rant clip as the closing reply, after the problem has been shown in full. For a confused setup first, open with You What SpongeBob Sound, let the explanation play out, then let this clip close the exchange.
About this sound
This 2.5-second voice clip has Unicorse, the disruptive hand puppet from Bluey, asking “And why should I care?” in a slow, drawn-out and deliberately uninterested tone. It feels proudly sarcastic and playfully defiant, turning indifference into a joke. The line comes from Bluey Season 3, Episode 8.