Why can't nested /lib loading be easy?

application.rb

module YourApplication
  class Application < Rails::Application
    # Loads ruby files in a given directory.
    # NOTE: `require_dependency` auto-reloads on file change when in development.
    # POSTERITY: this was needed to prevent auto-namespacing of lib/a/b.rb files.
    def loader(*dirs)
      dirs.each do |dir|
        Dir["#{Rails.root}/#{dir}/*.rb"].each do |path|
          d = dir.gsub /lib\/?/, '' # removes lib and lib/
          require_dependency (d.blank? ? '' : d + '/') + File.basename(path, '.rb')
        end
      end
    end

    # Load lib, lib/core_ext and lib/model_ext before everything else
    # Load gem_ext after the Gems themselves have been loaded (to override behavior)
    config.autoload_paths += %W(#{Rails.root}/lib)
    config.before_initialize { loader 'lib/core_ext', 'lib/model_ext' }
    config.after_initialize  { loader 'lib/gem_ext' }
  end
end