Tread - I think you are getting muddled. I don't think one needs any expertise in air accident investigation - nor a desire to be an investigator neither pro or am to be able to read the published material and have a view.
This accident seems more than anything to make people very emotive.
Good airmanship means different things to different people and some have defended the cowboy, wild west nature of Reno. If that's the way people want to go flying then that's for them.
One question - at what point does it become unprofessional?