Unrealistic dollar amounts, especially for companies and/or wealthy people. I can understand not wanting to be hyper-realistic, but it annoys me a little when people go overboard. It irritates me even more when it's almost entirely unexplained.
I'm good with it when people put in the effort to explain it logically. While I'm not super picky about it, I enjoy it a lot more if it seems to make sense.
In the case of Hero Aid the companies are inspired by the illusion of Megacorps in cyberpunk works (zaibatsus) and the famous dutch indies VoC
http://en.wikipedia.org/wiki/Dutch_East_India_Companynot to mention the superhuman employees with their smarter than human ideas and tech from various sources
the thing is that this guy does not own the company but works for it