Browser mining is basically worthless. If they're running a pool then they have to pay server usage to validate low value shares. I'm not sure CoinHive is even

Browser mining is basically worthless. If they're running a pool then they have to pay server usage to validate low value shares. I'm not sure CoinHive is even economically viable. Meanwhile, Google - the multi billion dollar public company, is the one distributing this script through online ads..