Guns? If you don’t have security. It’s a lot easier to overpower someone with knives than guns
The only thing preventing that is that people mostly don't want to bring guns on board. It's a pointless exercise that accomplishes basically nothing .
As far as people not wanting to bring guns on planes - did you forget what country this is? 2nd Amendment people get their panties in a knot anytime they can’t bring a gun anywhere.
Every time they've tested it, the testers were able to get 70-80% of their weapons past the TSA; which, yes, includes guns.
I don't know precisely how they achieved that, but they certainly did.
The best I could find that you could sneak explosives through if you were sophisticated enough but nothing about sneaking guns through.
DHS routinely tests TSA and they always fail spectacularly. This was just the first one on Google. You can easily find many more, this is widely reported on.
In your citation: In the public hearing today on Capitol Hill, members pushed for the full implementation of a program using new scanning equipment that creates a 3-D image of bags, giving screeners better ability to spot possibly dangerous items
Those new scanners are in 255 of the nations 432 airports
https://www.mprnews.org/story/2025/07/19/new-airport-scanner...
Scanner upgrades are mostly effective against weapon smuggling, not carrying on board by determined team.