Are humans algorithms?

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I have just finished reading Homo Deus by Yuval Harari and he writes the following (paraphrased):

1) Science is increasingly coming to the view that organisms and algorithms and that life is essentially data processing

2) Intelligence is decoupling from consciousness

3) Non-conscious but super intelligent algorithms (first designed by humans but self-developed via machine learning & artificial neural networks) will be able to know us better than we know ourselves (since we are algorithms ourselves, see point 1).

If these steps are logically correct, then we can assert that these non-conscious algorithms, once fully developed, will essentially make humans, with their pitiful data processing systems, obsolete in society.

My question is whether you think 1) is true. Are humans/organisms really just algorithms and is life just data processing?