There's definitely a difference with sysadmin bears and OS coder beards. I don't think it makes sense to call everyone a Unix guy and leave it at that. Being a sysadmin or a typical programmer requires a certain focus and attention to detail, but coding an OS requires something resembling insanity.
Also, today we have academics doing fun, weird stuff while most people are writing business apps or maintaining the networks such apps live on. In their day it was the same. They were out of the ordinary. If you made a living out of computers I think 9 times out of 10 you were writing COBOL for somebody.
I know you were just kidding around, so, sorry I guess... :)
The original Unix guys went off and designed another operating system called Plan 9, which in some ways took the Unix philosophy even further, but the licensing was problematic so it didn't get a lot of use. They eventually freed it but by that point Linux was much too popular for it to go anywhere.
Linux didn't destroy anything. MacOS brought UNIX to the desktop better than Linux could have ever dreamed, and if you believe wikipedia, windows is beating linux 3 to 1 in terms of server market share.
No, I believe the mode-line looking thing is part of the terminal itself.
Red shirt doesn't look like Stallman to me, and I don't think Stallman was ever at Bell Labs which is presumably where this was shot. It's not clear when this was shot, but also note that emacs didn't get ported to Unix until the early 80s and probably didn't get well-known (outside MIT) until much later.
In a certain sense the MIT/Mass guys and the Bell/NJ guys are or were fairly opposed: http://www.jwz.org/doc/worse-is-better.html or the beginning of the Unix-Hater's Handbook where they talk about how their Lisp machines were replaced with Unix servers.
Stallman was on the Lisp end of things, of course. But both sides probably patched things up in order to make fun of the Wintel crowd together.
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