SC.ManyArray elements can't be accessed with getPath

sc_many_array_test.js

TP.MATest = SC.Record.extend({
});

TP.store.createRecord(TP.MATest, {name: 'Thing One'});
TP.store.createRecord(TP.MATest, {name: 'Thing Two'});

function manyArrayTest() {
  // arrays
  a1 = ['a', 'b', ['c', 'd']];
  a2 = ['x', ['y', ['z']]];
  
  // array Controllers
  ac1 = SC.ArrayController.create({content: a1});
  ac2 = SC.ArrayController.create({content: SC.ArrayController.create({content: a2})});
  ac3 = SC.ArrayController.create({content: TP.store.find(TP.MATest)});
  
  // root
  root = SC.ArrayController.create({content: [ac1, ac2, ac3, a1, a2]});
  
  // tests
  SC.Logger.log('content', root.getPath('content'));
  SC.Logger.log('content.0', root.getPath('content.0'));
  SC.Logger.log('content.3', root.getPath('content.3'));
  SC.Logger.log('content.0.0', root.getPath('content.0.0'));
  SC.Logger.log('content.3.0', root.getPath('content.3.0'));
  SC.Logger.log('content.0.content.0', root.getPath('content.0.content.0'));
  SC.Logger.log('Now with SC.ManyArray...');
  SC.Logger.log('content.2', root.getPath('content.2'));
  // Can't access the first element of the SC.ManyArray with getPath...
  SC.Logger.log('content.2.0', root.getPath('content.2.0'));
  SC.Logger.log('But: getPath("content.2").getEach("name")', root.getPath("content.2").getEach("name"));
  SC.Logger.log('But: getPath("content.2").firstObject().get("name")', root.getPath("content.2").firstObject().get("name"));
}