Asymptomatic means you have no symptoms. I imagine if they feed enough to a lab rat they can set up some numbers to confuse the issue. But no one eats Olestra chips in enough volume to cause severe cartotenoid loss. Generally when you're eating your veggies, you don't have a bag of chips on the side. I can't say that I've ever had veggies and chips in the same mouthful.
Most people eat potato chips as a some time snack.
Now if you were talking about selling Olestra oil in stores and cooking with it, that would be a different story. I love veggies and chips. Just eat too many. But Olestra isn't approved for that type of use. Deep fried everything.