I recall one of the most interesting and intellectually-stimulating aspects of university was going into lectures/labs/libraries of other degree subjects. Rest

I recall one of the most interesting and intellectually-stimulating aspects of university was going into lectures/labs/libraries of other degree subjects. Restricting access like this is not to increase privacy, whatever that means in this context (what, you only want privacy from people not doing the same degree?); it's a means of putting everyone into neat little boxes to make admin easier, and an attempt to placate the almighty Gods of Security.