We've been to this beach many times but before the selfie days, thank goodness. As we know most French are very big on privacy and tend toward being low-key and not ostentatious so going selfie- free on the beach is expected since many of the photos are probably taken by etranger (an outsider).
http://www.huffingtonpost.com/2014/08/24/beach-selfie_n_5699171.html?ncid=txtlnkusaolp00000592