We lost the ability to print $50 bills with our HPs[2] and it had no noticeable negative impact on society. I'm not sure why losing the ability to print a gun with our Prusas will be any different.
[1] - https://www.scienceabc.com/eyeopeners/cant-photocopy-scan-cu...
[2] - https://h30434.www3.hp.com/t5/Printers-Archive-Read-Only/Won...
Manufacturing firearms is not unlawful in the State of New York, nor is it unlawful federally.
As far as I can tell, there is no federal or state law that compels any company to add features like the ones HP has added to their products. I have not spent a large amount of time researching. Just browsed a few articles like this one https://www.itestcash.com/blogs/news/your-guide-to-federal-c....
I also don't see the point about manufacturing firearms as particularly convincing. It was a process that used to be more difficult and technology has made that process substantially easier. It's reasonable for a government to think the old process didn't need regulation due to that complexity while the new technology intensifies the problem enough for a government response. New technology prompts new regulation all the time for exactly this reason.