If I were to guess, it would be the process.
I'm assuming you mean the team dynamic and project management "process". I'm still on my journey to escaping that dumb rat race, but I feel it's possible. Some liberal applications of cryptocurrwncy might enable a large portion of software engineers to become self employed and focus are problems they are interested in.
Yes, quite a few systems. For all of them, the process was essentially, "here's our problem, go solve it."