I agree. That claim is overstated.
I agree that the case is overstated and that the "support" for CAIR may be an exageration but it would be good to investigate. The author should do the research to make his case.
And while the insurance companies might not choose to fund his symposium on terrorism, they should have some involvement with SOME symposium since it is something that will impact their business (unless they start to exclude acts of followers of Allah).