Even at 2.5, which to me is low, that 1.4x2=2.8 times another half doubling and were looking at 4.2 million. That's quite a difference. If the under estimation

Even at 2.5, which to me is low, that 1.4x2=2.8 times another half doubling and were looking at 4.2 million. That's quite a difference. If the under estimation is by a factor of 5 then you're looking at 44.8 million. The exponential value is really important, especially in the early and end games ;)