I personally think that the examples show in https://github.com/js-choi/proposal-smart-pipelines/blob/master/readme.md#core-proposal help to see what they are trying to solve: nested statements which one needs to unpack carefully in order to understand what is going on and in which order.

Pipes turns nesting into a linear order of actions. https://twitter.com/RReverser/status/975767900895219712

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