Ok I've been mulling this over lately and I haven't really come to a conclusion on it at all. It seems now in wrath tanks are just threat machines and having a reduction in threat may not now be totally necessary leaving a possible loss of 2 talent points that could be allocated else where.
Now before you go on and say anything about the extra 6 yard range it gives you remember that so far in wrath I haven't had a lot of time to raid, just grind out heroics like mad, and I've yet to see any heroic that you need to stand back as far as you can.
It all ultimately boils down to this. Is it possible now to not have to pick up nature's reach and put your talents else where like perhaps Nature's Splendor or say Imp MF? It seems that this could ultimately give you an extra cast in your rotations before having to refresh your dots and also give a 5% increase in crit and MF damage.
Mind you this all speculative riff raff I toss around in my brain, so it perhaps may be completely illogical.