Let the public vote on re-nationalising all public services that have been privatised, or are being contracted out to private companies. This would stop revenue from taxes being diverted to individuals via businesses as profit.
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The money earned by all skilled and unskilled workers that's paid as tax, is given on the understanding it's invested in our public services. The money should guarantee that these services function to an acceptable standard at all times, and are available to all. However, we believe many services run by the private sector are instead neglected and deprived of funding for frontline services and staff, leaving them barely functioning and inadequately staffed.