Looks like brokerages/franchises are going down the instant offers path in order to help their agents win more listings (as I guessed).

ERA is joining the mix (Inman coverage here) that includes Zillow, Redfin, Opendoor, Easyknock, and OfferPad (and others).

PS: I found the following video from September of 2016, so this concept has been in the works for a long time.