A bit of luck and a bit of googling, I confirmed it. Just double click AutoCAD while holding the shift key and AutoCAD for Mac will reset to default. This feature started in AutoCAD 2014 for Mac SP1 and it is noted in the Read Me. I hope you enjoy my second infographic.
Thanks to Hansel Diaz for confirming that this works and for sharing it with the community.
I also found it here: