[mananaysiempre]

> Since when can I just call a method that doesn't exist, and expect the language to contrive what it thinks is a sensible definition on the fly?

Since Smalltalk-76 introduced[1] doesNotUnderstand: ?

I understand you didn’t really ask a question, but then I didn’t really give an answer (though the article’s discussion is fairly interesting). I guess my point is that there’s a distinction between a facility one finds unintuitive and a facility that’s newfangled and (therefore) outrageous. Even when the first category probably includes a good number of outright stupid ones.

[1] http://worrydream.com/refs/Ingalls%20-%20The%20Evolution%20o..., §5.11