I agree with you Dennis. This conclusion will need to be verified by the ridership analysis, but I think it will be substantiated. 

I disagree with PNW Mike some what. "I doubt that tourists will use it very much". 
Honolulu gets 8-9? mill tourist per year. A lot of travelers use BART in the bay area. 
Even with a surcharged $9 fare into the city, but is has to travel to people's distination. I have to concede, the price competition from the waikiki airport shuttle is difficult.
"Ala Moana is “bricks and mortar” retail. Online retailers, like Amazon, will gradually kill it. Besides, why would tourists buy stuff there, unless there’s a currency exchange advantage? "
Ala Moana has been there for years and seems to be doing well (expanding). It is a major destination for tourists. It will adjust to what sells better online or locally, but shipping costs to HI often kills buying "online".