Weird Scottish goes to North Carolina with royal and no want of care (9)

I believe the answer is:

unconcern

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'no want of care' is the definition.
I can't judge whether this defines the answer.

'weird scottish goes to north carolina with royal and' is the wordplay.
'weird scottish goes' becomes 'unco' (I am not sure about this - if you are sure you should believe this answer much more).
'to north carolina' becomes 'NC' (abbreviation).
'with' is a charade indicator (letters next to each other).
'royal' becomes 'er' (abbreviation for Elizabeth Regina).
'and' becomes 'n' (common abbreviation for 'and').
'unco'+'nc'+'er'+'n'='UNCONCERN'

Can you help me to learn more?

(Other definitions for unconcern that I've seen before include "Indifference" , "Calm" , "Lack of interest" , "Apathy" .)

I've seen this clue in the Sydney Morning Herald.

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