Usually in the user manual of product you get informed about the battery life decreasing with time, maybe Apple did not mention that also CPU performance will d

Usually in the user manual of product you get informed about the battery life decreasing with time, maybe Apple did not mention that also CPU performance will drop with time. From the article it seems that customers wanted to get a new battery from Apple if the current one degraded while in the warranty so phone shutdown but Apple decided to hide the problem with an update that slowdown the CPU.