You can still buy curly sandwiches, and worse. What you cannot get now is a decent meal in a comfortable restaurant car. For all its faults BR was, at least, a unified system where trains were held at junctions so that connections could be made with fear of financial penalties for providing customer convenience.
While not wishing to bring politics into the discussion renationalisation is, by the longest possible stretch of the imagination, not going to happen under the current regime.
Sorry Mod6, was typing as you posted.