I don't quite get the Atwood article, in both of the benchmarks he shows, Kraken and Octane, the Android device scores better than any IOs device, when using th

I don't quite get the Atwood article, in both of the benchmarks he shows, Kraken and Octane, the Android device scores better than any IOs device, when using the stock browser. It's only when using TMOUS they do worse, so why do anybody use that?