> Infrastructure sharing requirements have worked very well in France, where fiber optic service is more widely available and costs consumers less.

According to OECD, fiber penetration is 7.9% in France versus 11.2% in the US: http://www.oecd.org/sti/broadband/1.10-PctFibreToTotalBroadb....

Average broadband speeds in the US are also almost twice as fast as in France: https://www.akamai.com/fr/fr/multimedia/documents/state-of-t....