Haven't seen the film, but I've read the interview, and sounds to me the film is about denouncing the sexualisation of girls (like that Little Miss Sunshine scene at the end), but denouncing it in a French cinema way: let's just show it (from a not-quite-neutral angle... but without any big moving speeches to ram down your point) and let people make up their mind.
Then big clumsy (and culturally insensitive) marketing machine happened, and cancel culture followed, and lo, there was much bandwagon jumping and outraged petition signing...
Meanwhile, 11 year old girls are still on social media posting pics with pouty lips and provocative clothing, and apparently that's fine.