Because it's what they will buy, it's what I'll buy. And it suits their argument. Calling people out for not reading the article when they are quoting a price from the article is silly though.
That being said, I don't really buy the comparison between the optiflex and the pi. It's like saying you can buy a perfectly good Geo metro as opposed to building a kit bike.
NASA.
I was PMing a student project for NASA and the sheer number of tabs and files I had open on my PC killed Windows.
I had a week until the deadline and I’m in a situation where things may or may not save, basic functionality was questionable and I had literally thousands of pages information to format and get out.
Once I turned it in I installed Linux and never looked back.