Why this isn't stamped out ruthlessly? Because of this we don't have good competition. How can you compete with a company that don't pay taxes? Unless you are

Why this isn't stamped out ruthlessly? Because of this we don't have good competition. How can you compete with a company that don't pay taxes? Unless you are backed by bottomless VC, you cannot. Maybe that's the thing - these big investors and big corporations have money to make sure politicians won't do anything about it.