But even if the intellectual objection to extra revenue can be overcome in this way, the practical political problem is that every large tax expenditure – the home mortgage interest deduction, the exclusion of employer payments for health insurance, etc. – has its fervent defenders.
但即使对开源的理论反对可以用这种办法克服，还存在现实政治问题：所有大型税收开支项目——住房按揭利息减免、员工健康保险雇主支付部分税前扣减等——都有狂热的捍卫者。