I think marrying the block chain to POS and merchants is the holy grail of the crypto business; GRAFT goal is quite ambitious...hope they will achieve at least some progress, and this is not for the sake of Graft, but for the sake of the entire field. This has potential to get big. On the other hand, I feel tempted to agree on the marketing side. Let me put it this way - their guy is not Steve Job...not even close. I watched their sales pitch @ the summit in Dubai last month and I wasn't impressed to say the least 
Keeping my fingers crossed