The number of bitcoins produced in a given time interval is kept close to constant, based on the quantity of resources used to produce them in the recent past.

The number of bitcoins produced in a given time interval is kept close to constant, based on the quantity of resources used to produce them in the recent past. So throwing vast resources at mining should be conterproductive. Serious miners use GPU hardware, so there are effectively two tiers of miners: Those who have a GPU and can dedicate it to bitcoin, and those who don't.