It's a lazy recommendation. The first 2/3ds of the post are fluff to try and compensate for the fact that their recommendation in the end is "turn off this security feature". ATS is configurable to disable or enable for particular domains. The fact that we've known about ATS for over two months now and this is the best solution Google can come up with means they don't care. They don't care enough to read Apple's documentation and offer a helpful solution.