I watched the whole series.... I also read most of the posted comments and here is my take on the show.
I love neutral colors and I like white/eggshell ceiling colors, especially in small homes with low ceilings because it appears to make a room larger.
I do find the stories of family activity taking away from the focus of the show, however, I understand the need for THIS couple to include their children.
I'm not sure how long this couple have been doing home makeovers, but, if they continue, they may want to utilize a mixed array of furniture, artwork, vintage touches for accent and a wider variety of shades and contrasts in all things. I also think they may want to recommend and create disguised storage areas in homes to keep things for a switchover from time to time so as to avoid boredom.