I think everyone is missing the joke - it was more of an inter-service poke from Junky I think than anything else. I'm sure Junky knows Ghost is in the Navy, and Junky being Army, you have to expect a certain amount of back and forth. I don't think he meant to slight anything about education/university/etc, at least that's what I first thought reading it.
I will agree with Brooke however about some education being incredibly taxing and difficult. I have a degree in what many would consider a basket weaving field, history. I went into one of the most difficult civilian training programs you can after completing that, before I was even 20 (IFR ATC). Neither of these held a candle to the distance learning I did last year through Standford's computer science department, specifically the artificial intelligence lab/machine learning under Prof Thrun. The 20 year old kids in that program that can blast through the math and eng in that program are far, far smarter than I am, or ever was, or ever will be when it comes to STEM. I would never have gotten through the first semester without a ton of hand holding and help groups, and I honestly would have zero shot at ever completing a graduate level degree in this area on my own. None. The students in today's STEM studies, particularly at the very technically advanced schools, but even everywhere else, are truly something else compared to 20+ years ago when I was first starting post secondary. The frustration I felt while in that AI program - I would take going back and doing PSD work, and getting possibly being ambushed every week over banging my head against that wall ever again, in a flash.