Seems some turnstiles are used more than others, which despite it leading to the same place, and people queuing while turnstiles are empty, it's somehow a safety issue. Looking at where people come from and when they arrive, and then where they sit is seemingly beyond the system.
How the hell has this been turned into a bloody name change thing?! Its just used for alliteration for christs sake. And in the north we get them scanned for us as well!