anecdotal? Not sure you used the right word there...
FWIW, I work for google and have access to the numbers. Although I can't give specifics, I will say that although Dublin, London, and Zurich are all larger sites within Europe, the Paris office has a non-trivial number of engineers, and some cool projects going on.
It has roughly 100+ engineers. That is indeed VERY anecdotal, how could you claim something else? Even compared to Google worldwide (~25,000), but compared to big companies that employ thousands of engineers in France, Capgemini for instance: 22,000, Dassault Systèmes: 3,000…
FWIW, I work for google and have access to the numbers. Although I can't give specifics, I will say that although Dublin, London, and Zurich are all larger sites within Europe, the Paris office has a non-trivial number of engineers, and some cool projects going on.