The specific point of the parent comment is that they do want a cookie cutter school. Saying "no one wants that" isn't really a substantial counter argument.

I suppose the problem with them all being so similar would be if you spent every day visiting a different one, you would tire of them all being them same. But no one does that - you spend many years in a single one, without much awareness of others. In the end it's important that it's effective to spend long periods in, and its uniqueness is basically irrelevant to the people that actually use it.