Cricket club and Barmy Army with this right-wing movement? (11)

I believe the answer is:

mccarthyism

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'right-wing movement?' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe you can see a link between them that I can't see?

'cricket club and barmy army with this' is the wordplay.
'cricket club' becomes 'MCC'.
'and' means one lot of letters go next to another.
'barmy' indicates anagramming the letters.
'with' is a charade indicator (letters next to each other).
'army' after 'this' is 'thisarmy'.
'thisarmy' with letters rearranged gives 'arthyism'.
'mcc'+'arthyism'='MCCARTHYISM'

Can you help me to learn more?

I've seen this clue in The Telegraph.

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