My thoughts in no particular order...
I would not be surprised if we find out the Bidet ATF has been digitalizing millions upon millions of 4473s in storage the past three years. Think of the juicy, searchable database that (is) would create(ing)...

Don't forget the gov't has thousands of lawyers and prosecutors at its disposal to fight against such "constitutional" abuse lawsuits that might arise. And like Cunter's laptop, once the info is out there it IS out there forever.
I agree with this. BUT we are not yet near the point of confiscation as many LEOs have ZERO desire to participate in raiding gunowners (1) because they wish to uphold the Constitution and (2) because they wish to self-preservate...
Plus, there is rampant non-compliance by normal, honest citizens (such as in IL). An unjust law is not a law...
I'd be more concerned the tracing of the files used to program the printer. Patriots in other countries are arming themselves with 3D guns. This is just a random search I clipped.
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If you haven't joined the Fosscad sub-reddit you should. I haven't been there in a few months but there is a lot of "experimentors" doing their thing and posting their findings.
Yup...
See my post about digitalizing 4473s above. That list, if it exists will creating overflowing of ponds and lakes due to "boating accidents"...

As a student of Forensic Science, a gun serial number trace with the ATF is not an investigative tool but more a prosecutorial tool.
I will venture that many gun companies will provide the gov't with any customer info they want if subpoenaed. THAT is the slippery slope that will lead to confiscation. They will start with "Joe's Gun Shop" that bought 10k 80% kits (for example) and work their way down the list...
See my search link and check out fosscad...
I don't think anyone intends to insult but more merely debate. Then it seems like the bullies come out next and many here gang up on them.

Civility will go a long way for our cause even you don't agree with everything someone says...