[cnasc]

I seem to recall reading (maybe somewhere in the J docs, though I can't find it now) that some people are more content to rewrite a verb definition than to try and parse it out. That is, if you're refactoring code it's faster to write the thing again but better than it is to do small edits. Since the code is compact, I can see this. Any non-trivial refactoring of a verb is going to replace almost everything anyway.

Definitely a different way of looking at things, and probably something that can only work in such a terse language.