I guess it depends how much you want to believe them, but they deny this in their FAQ: https://developers.google.com/fonts/faq/privacy#:~:text=For%20clarity%2C

I guess it depends how much you want to believe them, but they deny this in their FAQ: https://developers.google.com/fonts/faq/privacy#:~:text=For%20clarity%2C%20Google%20does%20not%20use%20any%20information%20collected%20by%20Google%20Fonts%20to%20create%20profiles%20of%20end%20users%20or%20for%20targeted%20advertising https://developers.google.com/fonts/faq/privacy#:~:text=For%....