My take is TV will do the best they can to keep the call-outs as you know they want to add to the drama and build story lines, if they get rid of the call-outs they will have to get more cases of water for Chuck to throw on people, spit at , ect.
Years ago we did a complete house build in a week for Extreme Makeover, as the week went along the director/producer crew did everything in there power to make drama and then made sure they got our reactions when it hit the fan......
Thanks for all your input here BobR, got quite a bit from Boddie as well a few weeks back and looking forward to see what lies ahead next year. ;-)