Incessant Vitriol really? If that is what you think those answering you were doing, then you should not be posting on forums. If your original post had been posed listed as someone who had not read up on the release notes or were confused by them and asked for the community to explain the change of costs as confusion, you would have gotten the same response but without what you perceive as vitriol.
If you can’t take a little heat, stay out of the fire. Your concern was answered, but you seem to care less about an answer and more about people giving you a warm fuzzy feeling. Players answering you with facts have done a ton to make gameplay better for those of us who don’t have as much time to research answers. Just be grateful. Thank them for giving an answer. Move on!