Interesting article! You're definitely right that we have some legal issues to worry about for the future of 3D printing. I personally think the technology will become ubiquitous, similar to regular printing, and that governments will require certain licenses or regulations to print certain objects from 3D printers. But, still, focusing on the good of 3D printing is important.

You might like this article, as well: https://mylocal3dprinting.com/blog/3...hs-vs-reality/ It explores the internet-based myths you have to watch out for with 3D printing.