Vic blade-less models are out.

[Steely_Gunz]

Exactly. Most people will do the bare minimum of work required and when given a choice between tossing it in a bin to be sold on GovDeals and taking the time to thoroughly inspect the item it's going in the bin every time.
They're understaffed and in a high stress job dealing with already irritated people. They don't want you standing in front of them any longer than you have to be.

I have never even attempted to get a knife through my carry on since 2001. You're 100% right that they won't take the time, and with the shutdown right now, they are gonna be extra fast/grumpy. I anything that can remotely get me flagged goes in my checked bag. I just stuff them in my shoes with a few pairs of socks to keep the sticky fingers at bay. This tool, for me, is for use while out and about not so much for getting through the TSA.