This is a risk that Disney is taking on. People may hear this news, and simply assume they are putting a ride on the island, and building a bridge, so no river transportation. So then, this plan is “fine.” It will still have the same general aesthetic, and familiarity, and what makes Disney, Disney.
People didn’t react well to the tacos and Stargate in the lagoon in Epcot. Made worse by the disappointments about the show. This could have a similar reaction, putting even more pressure on the quality of the ride.