So long as the rail service is in private hands there is no brighter future. To get the investment they need to show profit returns and giving profit away in dividends is counter to constant improvement.
Amazing that the Semiconductor, Consumer Electronics, Telecoms industries manage to offer more, better and cheaper every year then...in the private sector.
Most governments and civil service departments seem waaay more inefficient than the private sector. That's because of the darwinism of the market.
The problem is that the private rail companies only have 10 year franchises, which means that they are not exactly incentivised to think long-term.
The market isn't the solution to everything, far from it but don't think that governments have all the answers either. The old BR was truly ghastly with trains that were frankly a health hazard.
Ride it or milk it!