I think it definitely would be a good idea if the creators of a space suit wear it and try to do some light DIY with it.
I'm not sure. I can imagine that some programmer would prefer LaTeX, even if they work in the Google Docs team (or the Microsoft Office team). That wouldn't raise much of an eye brow from me: Google Docs isn't exactly aimed at programmers.
I actually think something like the sentiment expressed in https://news.ycombinator.com/item?id=40594627 is approximately true, but it would need quite a few qualifiers.
That entirely depends on what sort of thing you're programming. My current job is programming for industrial equipment. I certainly don't, and won't ever, personally have a use for the software I write, but that software is 100% addressing a real problem.