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From the beginning of the article:

> The basic operators here are ^., .~, and %~. If you’re not a fan of funny-looking operators, Control.Lens provides more helpfully-named functions called view, set, and over (a.k.a. mapping); these three operators are just aliases for the named functions, respectively. For these exercises, we’ll be using the operators.

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...yes and it would be clearer if they used the named functions

But the person who "is not a fan of funny-looking operators" still has to read them; and that's the part that makes funny-looking operators undesirable to them in the first place!

To be fair, if after reading that paragraph they find it so unsufferable, they can skip the article. The author makes a choice and acknowledges other opinions but, at the end of the day, has their opinion.

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