One of the main premises of the article is that the TV show and the Books are different but that the differences are poorly explained.

Yes, he can see the past but no he can’t change the past (ADWD is pretty clear on this point) and if he can change the past, it is most likely through warging someone in the present while watching them in the past (Hodor/Willis).

In a “A Dance With Dragons,” the same event happens, and the Three-Eyed Crow explains that while it seems like they can hear you, they really cannot. Benioff and Weiss could be changing those rules for sure.

Thanks for the great comment!