Hi Kyle,
I was about to ask a similar question until I came across this. I tested changing both the name of the Cardinal folder and Cardinal child folders to the name of the new site and updated the style.css file for the child them to use the new style.css from the new main site theme folder, formerly the main cardinal folder and it seemed to work ok. I guess my question would be if this is not the best way forward and if it is just better as you mentioned to rename the child folder?
My concern as above it to prevent any competitors from seeing what framework I am developing on and two, to have the theme name customized to my clients site name so they are not thinking I just installed a theme and didn’t do all of the work that I am actually doing on top of your great core platform.
I look forward to hearing from you on this. Thanks
T-