Government mandates the creation of a new Intuit to do for sales tax what income tax prep services have accomplished for income tax: create a giant industry based on the artificial engineering of byzantine rules.

Just as every income tax prep service represents someone whose economic energies are devoted to an invented waste process instead of real innovation or human accomplishment, soon there will be a horde of sales tax prep services draining the pool of developer talent that could be expended on big (and real) problems instead.

Fortunately most 'big' problems these days seems to be based around split testing landing pages and sales funnels, so it won't be too great a burden on our society.