There's no need for train operators to maintain teams looking after all the various social media outlets, just one well-resourced one supplied with up-to-the-minute information from "Control" and the depots and staff on the ground.
Agreed - a single site with web site and app interface to the same data.
Perhaps at a URL like
https://www.greatbritishrailways.infoThere's no reason why anyone should expect X, Bluesky, Facebook, Instagram or any other such service to be a main source of travel information
Correct - and especially avoiding a requirement to sign up to a network of private content, especially one that has gained political overtones. There IS the need to run 24x7 and to be robust and have a findable alternative in the event of IT issues, a need to cope with high volumes, to protect against spam, to make it easy to find what's needed, and to answer both privately where appropriate, and in public where lots of people will have the same questions.