That comparison is valid only if you have data demonstrating that the TSA has successfully deterred/foiled aviation terror plots. If you have that data (which

That comparison is valid only if you have data demonstrating that the TSA has successfully deterred/foiled aviation terror plots. If you have that data (which I'd love to see), there are still powerful arguments that TSA funding would have been better spent in many other ways (better training budgets for security/investigative personnel, more "soft" layers at airports, fewer kneejerk infrastructure upgrades).