JD_Toims - 4:24 pm on Sep 11, 2013 (gmt 0)
He now says the redirect itself doesn't cause any pagerank evaporation.
Are you sure you linked the correct video?
In the one linked [published Feb. 2013] he says:
Of course the implementation can change over time, but this has been roughly the same for quite a while. The amount of PageRank that dissipates through a 301 is almost exactly -- is currently identical to -- the amount of PageRank that dissipates through a link, so they are utterly the same.
[Begins @ 1:30]