I'm not exactly sure what you're getting at - and I don't have strong feelings one way or the other about 3d printed guns -- But I gotta say, purposefully 'politicizing' an issue is a brilliant technique to ensure nothing is actually done about said issue.. at least in the U.S.
Acting on Climate Change and implementing green-energy is a great example. The fossil fuel industry, their dependants, and enablers have been impressively successful upon 'politicizing' Climate Change. The results have been gridlock benefiting fossil fuel -AND- actual pushback against green-energy by rightwing average citizens.
That's some impressive shit right there considering fighting against Climate Change and enacting green-energy programs had bi-partisan support in the U.S. a mere decade ago.
They tried to do it with 'tobacco use vs cancer and addiction' back in the late 80's-early-90's but I guess the immediacy of cancer and addiction are even bigger than politics in some cases it seems.
Now I wonder if they're trying to do it with Net Neutrality.
Though it's already being underreported and being touted as 'confusing' by mainstream media - So maybe, instead of politicizing it, it's a new technique of faking the 'smarting up' something to keep it out of public debate.
'The general public' always loses in these situations but I, none-the-less, do recognize the brilliance of successfully implementing such maneuvers.
And the NRA, while seemingly nutty and phony and off topic to many, are geniuses at serving the interests of traditional gun manufactures and sellers.