I don't think Google has a profit rate massively higher than other similar companies (say, Apple or Facebook). It gets a lot of profit because it is large.
Compare:
https://ycharts.com/companies/GOOG/profit_margin
https://ycharts.com/companies/AAPL/profit_margin
https://ycharts.com/companies/FB/profit_margin
Of course, manufacturing companies have a lot less:
https://ycharts.com/companies/GM/profit_margin