I'm not sure which incubators you are talking about. This post seems like more of a rant than a productive analysis. I have seen some indications that there are too many seed-stage companies right now, but I'm not sure if any one incubator can be blamed for this.
The entrepreneurial world is small. Its not the kind of thing where you (should) name names. That said, he raises some good issues that I think most of us have definitely seen.
