"That led to the 2005 Protection of Lawful Commerce in Arms Act (PLCAA), which effectively granted gun manufacturers and sellers immunity from lawsuits related to harm “resulting from the criminal or unlawful misuse” of guns.
Unlike other industries, the gun industry was now largely free to act as it chose."
Mexico is suing U.S. gun makers for selling high-powered weapons that fuel drug cartel violence.
https://www.theguardian.com/us-news/2023/may/27/gun-lawsuits-manufacturer-sellers-crimes
"That led to the 2005 Protection of Lawful Commerce in Arms Act (PLCAA), which effectively granted gun manufacturers and sellers immunity from lawsuits related to harm “resulting from the criminal or unlawful misuse” of guns.
Unlike other industries, the gun industry was now largely free to act as it chose."
I doubt the kitchen knife industry is worried about getting sued, but they are readily available to use in stabbing.