Data point: Mid 2013, I was in a multiple offer situation using Redfin as a buyer’s agent and won the deal. This was in a flipper situation, and still negotiated a seller’s credit based on what we found in the house inspection.
I actually hope Redfin manages to keep going. Working with them was the only good point to the whole situation — escrow agency was chosen by the seller (who was affiliated with the seller), and the pile of paperwork given to you makes less sense than: the legislature’s fiscal analysis of most CA propositions, most SEC reports for complex shell companies, and most corporate tax returns. I advised them to actually go all the way and create their own escrow company too, because everything else was so miserable. We had a great experience even in the bids we lost, because the agent explained what happened clearly.