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How can I translate the phrase ?

This can be translated to English as follows: "This is a despicable capitalist world, and it is dealt with accordingly."

Hope this helps.

That is a capitalist world and should be treated with the same currency.

This is a despicable capitalist world, and {should, must} be dealt with accordingly.
Why ?
1) /va trattato/
has a meaning quite the same as:
2a) /deve essere trattato/
2b) /dovrebbe essere trattato/
It has a different meaning from
3) /e` trattato/
the form (3) means /what is happening/ the forms (2) means
/what the writer thinks should happen/