I can't read the text, but this is the only video I can find that might be deepmask / sharpmask in action: https://www.youtube.com/watch?v=uOBND1_RNMg

If that is indeed a representation of the quality of results, it's clearly got a very long way to go before it's actually useful for rotoscoping. I suppose it could be useful for automating garbage mattes, but those are pretty easy to do anyway.