he reasons are simple: The PS3 Slim is a major cost reduction involving many changes to hardware components in the PS3 design. In order to offer the OtherOS install, SCE would need to continue to maintain the OtherOS hypervisor drivers for any significant hardware changes - this costs SCE. One of our key objectives with the new model is to pass on cost savings to the consumer with a lower retail price. Unfortunately in this case the cost of OtherOS install did not fit with the wider objective to offer a lower cost PS3.he reasons are simple: The PS3 Slim is a major cost reduction involving many changes to hardware components in the PS3 design. In order to offer the OtherOS install, SCE would need to continue to maintain the OtherOS hypervisor drivers for any significant hardware changes - this costs SCE. One of our key objectives with the new model is to pass on cost savings to the consumer with a lower retail price. Unfortunately in this case the cost of OtherOS install did not fit with the wider objective to offer a lower cost PS3.