Earlier quoted context omitted.
Yes but Toulouse is way cheaper than any Tier 1 city in the US and you have to include insurance/health, school cost in the US (I'm from Toulouse and living in the US for more than 10 years). If you make 250k/year in Tier 1 city in the US it's probably as good as making 80k/year in Toulouse.
Don't Boeing engineers also get insurance and 401k from their employer? Plus, they'd have to learn french also. France is not very accommodating to non French speaking foreigners. Trying to get around in life with just English there outside of Paris is not easy.
I don't really get this kind of comments... Usually people also say the same thing when visiting Japan. "This restaurant only has menu in Japanese and staff only speaking Japanese!!".
That's true a bit everywhere in the world, isn't it? In the US, apart from places with say huge Spanish speaking presence, you better interact in English.
Try "getting around in life" using only say French, or Portuguese, or Japanese in a random US city like Portland, NYC, or Chicago.