Thanks to Snowden, we know that intelligence agencies already intercept shipments, they have no need to buy & return stuff. Plus, just about every device with

Thanks to Snowden, we know that intelligence agencies already intercept shipments, they have no need to buy & return stuff. Plus, just about every device with a computer/storage inside could in theory be tampered with. So, your argument seems to imply that a 'no return' policy should be enforced on most equipment. That's just insane.