The argument is not whether various spending programs and whether or not the are copnstitutional. It would probably surp[rise you to know that many who support the FairTax also believe that spending is out of control and must be reduced.
Bringing the FairTax into play as our tax system is just a start.
But you still haven't identified who your "pay no taxes" guru might be. John Kotmair perhaps??? Bob Schulz??