General consensus last time this rolled around, which I see no reason to change, is that once you add "dynamic objects [or] animation", it completely stops working, so... it probably won't hold up at all.
Most obvious comparison comes in right at the 4:00 mark, where you can see the "polygonal" grass waving gently in the wind, then at 4:22 their "unlimited detail" grass appears to be carved out of some sort of grass-colored rock. Also observe how at the end they are excited about their improvement in "the lighting", by which they mean, the lighting that you will get.
Most obvious comparison comes in right at the 4:00 mark, where you can see the "polygonal" grass waving gently in the wind, then at 4:22 their "unlimited detail" grass appears to be carved out of some sort of grass-colored rock. Also observe how at the end they are excited about their improvement in "the lighting", by which they mean, the lighting that you will get.