So, the generic answer for why we favor income or value-added taxes over revenue taxes is that (1) we want to encourage investment, so marginal business expense

So, the generic answer for why we favor income or value-added taxes over revenue taxes is that (1) we want to encourage investment, so marginal business expenses are essentially tax-free, and (2) revenue taxes limit the ability for competitive middlemen (who can lower transaction costs) and give massive advantage to vertically integrated semi-monopolies.