You can buy them off, but successful lobbying probably takes years of relationship building to make it look like marriage, not prostitution, to those corruptees that think of themselves as ethical people. You can't just arrive and buy some legislation.
In October last year, Facebook hired Nick Clegg, former UK Deputy Prime Minister and well-known Europhile, as head of Global Affairs and Communications.
So that's your years of relationship building, acquired in one go.