[mcv]

> Meant, yes, by somebody, but a web service creator can decide otherwise, for some reasons, like simplicity.

Simply introducing unexpected side effects, you mean? Using methods in ways they're not meant to be used doesn't create simplicity, it creates complexity. Suddenly there are exceptions to the standards that you need to remember and take into account. This story demonstrates that very well.

Laziness is not the same thing as simplicity.