So the general consensus here is that while talent pools shouldn't be scrapped, they do most certainly need a restructuring, and in this thread I have learned that "talent pool" is a broad term that doesn't always refer to candidates who have actually passed the assessments including the DMI. I said I was open to having my view changed, and now I'm very much on board with the idea of restructuring the talent bank system in a way that is sustainable for recruitment teams at TOCs to keep up with as well as try to ensure candidates aren't bypassed before new recruitment starts. Maybe a standardised system of selection (i.e. candidate scoring relative to the criteria) would be helpful as well. I know it might leave some people in the pool for years but having a system based on score allows the TOC to select people best suited for the task rather than a first-come-first-served basis.