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You're welcome to add it.

In their snippet, errors would be handled altogether on the promise you get from `getJeansAndSaveThem()`.

You don't have enough information to be outraged at the toy example.

And that's a very implicit way of handling the error. Implicit behavior is good when you are encapsulating stuff (e.g: I don't need to know about the details of internal combustion engines, just pushing on the accelerator of my car so it moves forward).

But in this case encapsulation is a leaky abstraction that just makes the diagnosing of an error more cumbersome.

Oh please. The point of the post was to illustrate the feature to those wondering "what's async/await?", error handling would be complete noise for that purpose.

I would argue with you, but I don't really have to prove you wrong.

You will eventually prove yourself wrong, since deemphasizing error handling goes wrong very quickly.