precarious
Senior List
Well at night just as likely to be eating out at a restaurant or hitting a show or seeing live music! These sorts of distractions are less intrusive during the day.
For Saturday, a 5 to 5:30 start is probably the sweet spot ratings wise. Late enough that people can be home in time to watch. Early enough that people can still head out afterwards. The limited evidence to date supports this.
There are obviously pros and cons to whatever is decided. It will basically come down to whether the AFL is okay with losing bragging rights most years when it comes to who has the highest rating program(s) of the year.