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Amazon didn't make a profit because they were reinvesting money into starting new lines of business.

Basically there was a choice between taking the money, and growing. They chose growth.

As opposed to...?

Spending all your money on extremely quickly depreciating graphics hardware and model training

And model training isn't putting money back into the business?

It’s not clear. It looks like model training may have a lot to do with uplifting their Chinese competitors whom seem so terrifying to them.

As opposed to building a bigger bank account, or paying dividends.