The second bloke is completely missing the nuance of the “yeah, nah”. It doesn’t simply mean “no”. It means I’ve heard and acknowledged what you’ve said but disagree or have a different opinion. Examples
“Mate I’m fucked, want to go to kfc for brekkie?”
“Yeah nah last time I went it was shit”
“Ah fuck my bad!”
“Yeah nah it’s all good mate, no worries”
“Trump isn’t all that bad, I agree with his policies”
“Yeah nah he’s a pedophile rapist, you’re fucked in the head mate”
The second bloke is completely missing the nuance of the “yeah, nah”. It doesn’t simply mean “no”. It means I’ve heard and acknowledged what you’ve said but disagree or have a different opinion. Examples
“Mate I’m fucked, want to go to kfc for brekkie?” “Yeah nah last time I went it was shit”
“Ah fuck my bad!” “Yeah nah it’s all good mate, no worries”
“Trump isn’t all that bad, I agree with his policies” “Yeah nah he’s a pedophile rapist, you’re fucked in the head mate”