Futuristic Bird, your argument that Shero and Fletcher think Therrien is better suited for the AHL is completely illogical. Consider the illogic of your argument:
Fletcher makes a statement about the attributes for an ideal coach. Sounds like those attributes fit Therrien. Agreed. So, how does that make Shero and Fletcher wanting to demote Therrien to WBS? It doesn't. From Fletcher's statement I would conclude that Fletcher probably likes Therrien's coaching style, which I would further conclude to mean that Fletcher and Shero want to hire ANOTHER coach in the Therrien mold for WBS. In other words, if Shero and Fletcher like Therrien's coaching style, which you, yourself infer, then one would think that they are thankful to have him coaching the big club in Pittsburgh.
Finally, you state that Shero was not too happy about having to inherit Therrien as his head coach. That statement is sheer speculation on your part and has no basis of fact whatsover. From what I have heard and read, Shero and Therrien have worked together extremely well since Shero joined the organization.
It appears to me that your logic (or lack thereof) is totally influenced by a personal bias you have against Terrien coaching in the NHL. Not based on any facts whatsoever. As far as I'm concerned, Therrien belongs in the NHL and I think he will do a great job as head coach of the Big Pens.