I was all set to be mad
...but a set of basically throwaway small biz devices released in 2011? They're basically consumer routers with a Cisco Enterprise flash and support contract on them, sold for an extra couple hundred. It's not going to kill a SOHO to replace them, and compared to most SOHO devices that get 2-5 years of updates, 10 years is actually pretty damn good. Most probably already have, whether hardware failure or being hamstrung by a 1x1 Wifi N.
I can rage all day at every provider of entry level hardware, from consumer to enterprise, for abandoning it long before its useful life expires, but that doesn't actually seem to be the case here. You can swap in any $5 router with L2TP server from Craigslist and you wouldn't notice.
Biting the hand that feeds IT
