I disagree. It clearly states that they want the arena here in Sacramento but they don't think MSE is a viable partner in doing so. It covers reasons why, including not acting in good faith and financial resources. This letter didn't need to be 20 pages with details and footnotes, it just transmits the general feeling of the local business community. And that is important.
Now, it should have the names of ho signed below the signatures. I find that to be discouraging. I want to know who all these folks are so I can frequent their businesses.