It would be if you were looking for a perfect model of said die toss unless you are looking at it strictly from a purely theoretical and not actual physical die.
I believe in this scenario there are 2 different measures occurring. They do not seem to be playing a single dice roll, but many dice rolls. In that case you don't need a perfect simulation, but instead a good enough simulation to beat the house. Of course that's just more probability.
An actual physical dice roll obeys QM, and if you want to compute how the dice will roll and bounce in the physical world, you’ll absolutely have to deal with QM, and true randomness will be involved.
