It seems to me that you have this backwards. Universities serve a purpose in society beyond job training; It's been that way for a long time and they're pretty explicit about that fact (witness the difference in prestige between universities and vocational schools). Someone who wants to go there just for job training and not get exposed to anything beyond their narrow horizons shouldn't have the right to demand their environment conform to their ideal.

> It'd be like if grocery stores started pretending their purpose was to provide an area for debate, and every time you wanted to get a gallon of milk you had to both pay for it and argue with the cashier about politics for 5 minutes. You don't want to do that? What, are you afraid of being exposed to new ideas?

You have this precisely backwards. Grocery stores are designed and advertised as being for groceries: they're not debate areas that people decided to start using to pick up milk. A more relevant analogy would be people going into a church just to rest their legs in a pretty building, and then complaining about the guy droning on about God. We would quite clearly place the blame in that case on the people expecting the church to accommodate their ideal of "a pretty building to sit down in", in contradiction to the original and stated goals of the church.