> People accidentally hurt themselves with kitchen knives every day. They are also very often used for violent crimes

People are rightfully nervous when they see someone walking down the street swinging a knife i.e openly misusing it or treating it casually

People don't realize how much software is being misused or treated too casually. They might be similarly bothered by lax security on databases and data leaks if they realized that it represented a threat to them

Yes, hold people accountable for their actions. Don't take away their freedom. We may prohibit individual actions that involve a general tool when they harm others. That is compatible with a free society. We may not prohibit fundamental tools¹ That is fundamentally incompatible with a free society. Especially when that tool forms the infrastructure for the flow of information and free speech.

[1] General purpose computing