Being wildly rash about finishing them, doesn't help (5)

I believe the answer is:

harms

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'being wildly rash about finishing them doesn't help' is the definition.
I can't tell whether this definition defines the answer.

'being wildly rash about finishing them' is the wordplay.
'being wildly' indicates anagramming the letters.
'about' is an insertion indicator.
'finishing' says to take the final letters (the letter which finishes the word).
The last letter of 'them' is 'm'.
'rash' anagrammed gives 'hars'.
'hars' placed around 'm' is 'HARMS'.

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(Other definitions for harms that I've seen before include "Injures, damages" , "Wounds" , "Hurts, damages" .)

I've seen this clue in the Evening Standard.

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