Because hardware costs never goes down and energy efficiency never go up overtime?
Whatever the value/$ is now, do you really think it is going to be constant?
If hardware industry news is any indication, hardware costs aren't going to be going down for GPUs, RAM, or much of anything over the next 3-5 years.
If hardware industry news is any indication, hardware costs aren't going to be going down for GPUs, RAM, or much of anything over the next 3-5 years.