All this has been cited. Making your "complaints" feeble and unjustified. For someone who claims to be a Luftwaffe unthusiast, for you to calim Caldwell dubious as a source is the best one I have heard from you. 
Caldwell makes a point of reporting losses by the side that suffers them. He always mentions overclaiming.
2. Specfific dates are given, as you well know. (Either that or you don't read properly)
3. No it doesn't. It syas RAF Mustangs were included as well.
4. The context is you have been placing information into the D-Day to VE section which says the bulk of the LW was operating there. Caldwell and Muller say this is a non no. They are more reliable than Shores, who focsus more on Allied Air Forces. Do an online search on Caldwell.