Some comments: - Always start your sentences with a capital letter. - The word you need is "consumerist", not "consumeristic" (which is not a word). - You feed a habit or satisfy an urge ; the former is the stronger expression.
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InterventizioSo "satisfy their consumerist urge" would sound natural (although maybe a little formal) right?Yes, it's natural and, in my opinion, not too formal.
InterventizioAs for "consumeristic", are you sure about that? It might not be the most used version, but according to yourdictionary.com (among other sources) it appears to be