What's to stop someone from making a cheaper industrial robot? And someone else to make an even cheaper one? And for someone else to make an open source basic r

What's to stop someone from making a cheaper industrial robot? And someone else to make an even cheaper one? And for someone else to make an open source basic robot and sell a higher level management suite as an add-on? Or better yet, someone can buy a bunch of these, put them in a building and lease them out by the minute via AWS-like service. I do agree with your point re 1950's offices.