I must say I disagree in a whole lot of the points you are making in your article.
Beginning to read this, I was wondering if your intention was to stop people from becoming game developers (may it be to warn them or because you want to still have a safe job in 20 years), then, after two pages, I thought I'd slowly understand what you were going for until you suddenly broke apart in self-pity. First things first.
This overly long talk about how horrible it is to make games really struck to me. I'm no game designer, but as a filmmaker I can tell you that if it is really this terrible for you to make games most of the time, you've picked the wrong job. Maybe you yourself are or were one of those gamers you are trying to warn here - just because you like to play games you'd also like to make them and held on to this idea until it was too late to start something else. Maybe I am completely wrong on this, I don't know your past, but I do know exactly that this part of your article went on for far too long and the comparison between the advertising business and the - let's call it art-business, as it's not restricted to games - is ludicrous. Anybody with the slightest insight in the topic should know that.
Then you started talking about the good sides and it reminds me of what sometimes happens when making films - with the exception of that the rest of it is not as horrible as you describe it (it's more stressful with big budget productions but still nowhere near as "3.5 hrs horrible - 10 mins fun"). This was the part I thought was the best, because it really describes how a person in the entertainment industry is working - stress, stress, stress, but loving that and being euphoric in the end.
Until suddenly you start to getting all dramatic about how thankless the job is. Well, tough luck, this is the entertainment industry, and most you'll ever hear in you career is (harsh, often unfounded) criticizm. If you cannot deal with the fact that it is always the loud assholes you hear and expect a huge load of praise all your career, you're definetly at the wrong place. I understand you're trying to give exactly this across in your comment, but you seriously do not sound like a professional on this one - you sound like you regret your decision and just want recognition like big hollywood stars. It's mostly important you are satisfied with your own work yourself. The things other think should only come second, or, even better, third.
Edit: Many have pointed out now that "It's a job, not a hobby". Well, I can tell you people that making films to me does not feel like work. It's hard. It's exhausting. You need to concentrate to keep the level of professionality you target. But it's not work. I love every second of it.
Edit#2: I don't see why game designers (or any other artist) should feel any different about their expertise.