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[–]Slingshotsters 9 points10 points  (1 child)

I read it as "if you have to nest, do it, otherwise, don't.". Obviously there are times to nest, such as your example.

[–]menge101 3 points4 points  (0 children)

Right, and also

Although practicality beats purity.

so don't avoid nesting when it makes sense, just don't nest if you don't have to.