Quality distribution

I just came back from a Micro Theory Lunch, which is a great thing here in SD. It is similar to Brown Bag seminars, expect the food is provided by school (and it is good - sandwiches, cookies, sodas). It has a regular schedule and it takes about an hour. The usual presenters are students, even though faculty members like to present, too. This time, the presentation was by my office mate Jim. He is a very smart and curious guy, but the presentation itself was, given my standards, bad. There was almost no structure, it was really hard to understand what is the main point, where is it all going. He also spent a lot of time on motivation but did not link its content with the theory he (very shortly) presented afterwards. It made me wonder what is the actual quality distribution of people (and their presentations) around the world. Maybe CERGE-EI is not that bad after all. Or at least, the good guys at CERGE-EI are better then the average elsewhere.