Comment by yjftsjthsd-h

https://www.investopedia.com/articles/markets/030416/googles... and https://www.cnbc.com/2021/05/18/how-does-google-make-money-a... (first results I could find) both say 80% of Alphabet’s revenue comes from Google ads; unless you have numbers to say otherwise, I think it's pretty reasonable to call that their primary business