On the one hand, contemporary art history is about the expansion of the site of art from being between one artist and his audience to being about collaboration. On the other hand, ironically, it's about a narrow focus on individuals.
If an exhibition intrigues and inspires me, then there is a chance that you will also be curious enough to jump in a car to see it. And to hell with the bad and mediocre stuff. There is always plenty of it. Why bother?