This is why, as much as I have not been a fan, operators like WMR, EMR, and GA have all moved to TTS. Even if it sounds robotic sometimes they can have it say anything they need, and give passengers up to date information about upcoming 'meet the manager' events and engineering works that weekend. Northern with their pennypinching wouldn't suprise me by moving to TTS.
I am not sure about that, because something that WMR, EMR and GA all have in common is that they are all owned (mainly) by Transport UK group, the group formerly known as Abellio. I do slightly wonder whether that is maybe company policy to scrap usage of that ATOS system (the one which has ATOS Anne on it) at nearly all of their stations as a (possibly) cost saving measure, given they don't have to employ real people, and they just need to install a dozen robotic voices to do the announcements. The only exception was EMR which must have already had robotic announcements fitted by East Midlands Trains at most, so wasn't worth replacing Anne at the mainline ones which do have her.
While I imagine that Celia will need to be replaced in the very near future, alongside the antiquated KeTech system, the replacement is likely to be determined by GB Railways, who I suspect would likely want to have a nationwide standard. What that standard involves though will be their decision as to whether they are going to settle on a nationwide TTS system, or one or two nationwide announcers (one male, one female, which could replace ATOS Anne who apparently doesn't really do announcements anymore) for a nationwide ATOS system. Either way, if they go with the former, they would need to carefully choose something, given some systems sound decent enough, like the one on WMR and GA, whilst others (at least in my opinion) sound plain awful due to the fact they end up mispronouncing stations and conceive sentences in an unnatural way, like Acapela Rachel, who in my opinion should be removed by GB Railways.