I know the party line, which is that Amazon chooses not to take retail profits because they would rather invest in growth.

But invert that statement to understand it a different way: it implies that when they choose to take retail profits, their growth will slow. (If they could take profits and keep growing they would already be doing that.) How will investors like an Amazon that’s not growing anymore?

Personally I think that the way Amazon’s retail side runs today is the only way it knows how to run, and is how it will always run. The expectation of massive retail profits will always dangle out there in the future like a carrot for investors to chase.