How about doing what CBP does and enact a trusted traveler program? This way, you can better utilize resources.

How about you start spending money on a widespread replacement of those x-ray machines the private screeners were using, you know, the exact ones you use today?

How about using technology that has been around for years in detecting what exactly are those liquids in bottles? And I'm not talking about the machines you use on occasion for breastmilk bottles.

And how about losing your attitude?