I am glad things are going well for you. That is the best news. It really seems you have a handle on the pup's behavior. Cudos to you!
As far as argument is concerned. I guess I missed that. We all interpret things in our own way. I think that thumping the crate with a rolled up newspaper is not meant to "scare the heck" out of the pup, but to interrupt the whining and get her attention so she will observe that moment of silence during which a treat can be given to her for her calmness. When Greta and Lou were younger and they got into things I would swat a rolled up paper on the table, wall, etc. and they learned that this was my display of dominance...le tting them know that I did not approve of what they were doing. It worked very well and it by no means caused them to fear me, or rolled up papers either. It was merely for the sound, to interrupt what they were doing and have them take notice of my displeasure. It made life simpler, and we never even do that now. We don't have to.