I.e don't buy your printer in New York. Pick it up out of state. Problem solved.
Yes, this is rent seeking, and yes New York is gonna New York, but not a big deal.
On principle, yes, but also for maintenance. The nerfed firmware that's only required in a few jurisdictions is almost assuredly going to fall out-of-sync with mainline features.
"The rule saying you can't print the thing that you either weren't going to print, or you weren't going to let the rule tell you not to print, wants you to run old/broken software." No matter which side of that you fall on, you're upgrading the software.
Goalpost will move to "save gcode on government-approved secured storage", licensing and registering each 3d printer, then confiscating the ones that are not whitelisted, etc etc.
This legislation is basically like a gold star on some politicians report card about preventing gun deaths. The impacted groups are allways gonna be niche, but it looks good to the overall public.