I think I forgot to develop the question in that post....
Their ideas on this podcast often focus on thr benefits of "mastermind" gatherings as they call them. These are events that bring groups of people together in such a way that the individuals leave the gathering (seminar, retreat, conference, whatever you want to call it) with vigor and creativity to go on and do great things back in their regular lives. The crux is that these gatherings can require a big chunk of change to attend, I guess as a barrier to entry? But apparently the returns on investment can be great, although sometimes difficult to quantify...