So no one can turn free human labour into enough money to pay hosting fees? And given spammers a lot of the time are messing with Google, it's also in Google's

So no one can turn free human labour into enough money to pay hosting fees? And given spammers a lot of the time are messing with Google, it's also in Google's interest to do this for free! What are they thinking? Is this one department make $100 internally while killing $1000 in another internal department?