You are right. The blueprints exist. I wrote this out of memory based on reading https://arstechnica.com/science/2013/04/how-nasa-brought-the-monstrous-f-1-moo

You are right. The blueprints exist. I wrote this out of memory based on reading https://arstechnica.com/science/2013/04/how-nasa-brought-the-monstrous-f-1-moon-rocket-back-to-life/ https://arstechnica.com/science/2013/04/how-nasa-brought-the... a few years ago. and I also remember reading that they had to reverse-engineer the designed and build their own CAD models because they couldn't re-build the situation (and it looks like a lot of customization was done to each engine). But my overall point still stands, IMO. They couldn't just rebuild it , just because they had the plans. Fact Check 2: Last I checked I can still download/clone repos anonymously, from public repos; My point is , this can very quickly reverse. It won't take a lot of time for Github (and others) to add restrictions under any excuses to restrict anonymity. Just like how it took one Apple and only a couple of years to make an entire industry almost completely eschew 3.5mm jacks for seeming no good reason (One excuse was waterproofing, but my s7 had a 3.5mm jack and was still IP67 rated). Imagine if ifixit.org was de-platformed, because they were providing repair guides that was "illegal" from Apple/Google's perspective. Sure, as users we would rally behind ifixit because to us, the user's, ifixit's cause is noble. But, can you actually force Apple to reverse their decision, when it doesnt work out for your benefit ? If they don't , do you have an immediate alternative, that works for you, before your or ifixit goes out of business ?