Meantime, down on the riverside, a peleton of recreational Men in Lycra ride cycles where a single carbon fibre wheel would buy my car...

To your point. An sbc I got in a kickstarer died when the Ukrainian devs went into a war. 3 years later somebody has worked out how to attach to boot prom and serial, interrupt boot with a short on the mainboard and get into the locked boot sequence. So hoarding those dead sbc and cables can come good!