Unsprung weight hanging at the end of suspension is like the pendulum of a clock. The greater the mass and weight, the more its effect on inertia, meaning that once in motion it wants to keep going until the inertia is exhausted (like the pendulum of a clock slowing down and changing direction). So in our case this slows reaction time of the suspension, making it slower to react to changes in direction as the tire meets oncoming changing surfaces.
Then there is the ratio of unsprung weight to sprung weight, which effects ride quality. Remember the big old boats of the 1970s? When you have a multi-ton vehicle even heavy steel wheels are a much lower ratio of mass compared to the vehicle riding on the springs. Net result is plush wallowy ride. Floaty. Like a boat!
So with lighter modern cars there is a design dilemma to create good ride quality, because that ideal ratio requires unsprung weight much lower due to the lighter sprung weight. So materials become a bigger factor (like carbon fiber... which also apparently offers much greater stiffness, such that the wheels do not distort in the way that alloys wheels do).
As for a Ridgeline with carbon fiber wheels, I have to wonder that the cost would approach half the value of the current Black Edition Ridgeline. So... maybe not.