You would expect alternative OS grognards to be at the frontlines against Sony's recent decision to phase other "Other OS" installation support from the Playstation 3 through its most recent firmware update. What you may not have seen coming is the United States Air Force counting itself amongst the ranks of those bitterly disappointed with Sony.
The USAF currently maintains a 500-TeraFLOPS computer cluster comprising of some 2,036 PS3 consoles at its Air Force Research Laboratory in Rome, New York, for the purpose of Linux-based research. Naturally, each of the PS3s in the cluster was reprovisioned to run Linux.
Sony's move to phase out "Other OS" installations from the PS3s did not go unnoticed at the USAF. While none of the PS3s utilized by the USAF for research are connected to the PSN, and thus have no immediate exposure to the latest firmware updates, the USAF still voiced its concern over the ability to replace existing hardware should they fail. It could be difficult to procure PS3 hardware compatible with its cluster setup, if all new PS3s no longer support alternative OSs.
The USAF's concerns highlight how indispensible the PS3 had become for the High-Performance Computing (HPC) scene typically enamored with supercomputers, especially when you can take advantage of consumer market subsidies for plenty of computing power at greater savings. Sony itself had pushed the PS3's ability to run Linux, but was forced to change its tune in recent days over "security concerns". For its troubles, Sony now faces a class action lawsuit filed in California.