Baring all in mind? Us? Rubbish! (6)

I believe the answer is:

nudism

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'baring all in mind? us? rubbish' is the definition.
I can't tell whether this definition defines the answer.

'mind? us? rubbish' is the wordplay.
'rubbish' indicates an anagram (a poor quality or rubbish spelling of the letters).
'mind'+'us'='mindus'
'mindus' with letters rearranged gives 'NUDISM'.

Can you help me to learn more?

(Other definitions for nudism that I've seen before include "Having nothing on" , "Public exposure" , "Naturism" , "Pursuit of a naturist" , "taking off habitually" .)

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

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