I'm afraid to say that my "snobbery" works the other way...I flatly refuse to speak French with the English unless I/we are in the company of French people.
I think this stems from seeing & hearing English people speaking French in small groups in public ie in bars etc....it makes me cringe....I can't get past that I'm afraid.
I've been here 10 years like you, & have French friends, along with Dutch, German etc; a lot of my clients are French, & I have to admit that I've made a conscious effort to avoid spending too much time with exclusively English people.
I feel more than ever that this is justified after working recently in the Charente for 3 months & seeing how (some of) the English fail so miserably to integrate....also certain experiences with Angloinfo & the like have discouraged me from living the expat life...
That said, it's not meant as any reflection on any of the people on this site, that I've had any contact with