I really don't get the swivel front wheel, maybe if I used one? Looks to me like the only way the swivel would be of benefit is if it had so much weight on it, the frame or something else would be in jeopardy. I think they were just looking for another mousetrap with the swivel, something else/different to sell.
One made out of an older jogging stroller, with large diameter tires/wheels, sure is smoother.