2015 Honda Civic Bug Deflectors

Bought this sunroof visor for my sons new car. I went with the brand because of other items I have bought from WeatherTech. Well my sons car is just shy of 5 months and the rubber piece on the bottom to protect the car started to come off. Note sure if it was glued but it did not stick. More then half came off and does not seem to stay when trying to remount? I might try glueing the rubber to visor but hat to half to do this after buying it New a few months ago? Photo is after trying to put back on.