"Some posters seem to question DM's integrity."

great observation 

"I can only say that at least with Zenith there have been trials with BP and they followed what he had said."

 Are you saying BP had zero input? It was all Don? He's not a scientist you realize? Unless of course your putting him in the same science standing category as the other donald - Dt? :)

"However there the plan or path forward is not defined."

Sounds familiar & probablly goes to your "integrity" findings

"I have posted a query for Bear on the Z board."

thats wonderful.