I realise that by arguing the semantics, and am making this worse. However Off by one is the error, not the cause. sure, a lot of off by one errors are caused

I realise that by arguing the semantics, and am making this worse. However Off by one is the error, not the cause. sure, a lot of off by one errors are caused by index starting confusion, but not all. The hold is clearly off by one. thus its a "real life" off by one error.