Pessimistic folk command others to change (4-9)

I believe the answer is:

doom-merchants

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'pessimistic folk' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'command others to change' is the wordplay.
'to change' indicates anagramming the letters.
'command'+'others'='commandothers'
'commandothers' is an anagram of 'DOOM-MERCHANTS'.

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I've seen this clue in The Times.

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