Syntactic sugar in C – (ab)using “for” loops

I will never understand why these examples are considered abuse as they exhibit standard behavior.

It's just as if I were to write the following JavaScript:

  node.classList[ isHidden ? 'add' : 'remove' ]( 'hide' );

I'm simply using a ternary and a bit of reflection, but the arguments regarding "correctness" this engenders...