I mean, the reason is right there: every rails developer with some experience knows that lib is not autoloaded. So yes, familiarity. Putting autoload on lib is

I mean, the reason is right there: every rails developer with some experience knows that lib is not autoloaded. So yes, familiarity. Putting autoload on lib is equivalent to monkey patching. Creating a directory app/lib is a great way to achieve confusion and make the fuzzy finder fail more often though. Give it another name if you can