Punter sticking to soft drinks, with alcohol all about (6)

I believe the answer is:

better

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'punter' is the definition.
(someone having a bet or punt)

I don't understand the remainder of the clue.

(Other definitions for better that I've seen before include "M ore appropriate" , "Comparatively good" , "Reformed" , "Preferable" , "More appropriate; gambler" .)

I've seen this clue in The Guardian.

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