Ultimately they are responsible for moving several hundreds of thousand people every morning and they regularly can't do it.
I think most people are very reasonable with them, especially when it comes to jumpers (which isn't their fault, I might add).
No way don't, we pay a train company to do it for us.
Problem is the train service is a hybrid of a nationalised industry and a profit seeking entity and you get the worst of both worlds. Sadly we can't vote out the politicians running it or (with a few exceptions) go to another company with...
I know they have external suppliers but people are handing over £4-5k a year to Southern Railway to get them from the coast to London. If I walked into a restaurant and ordered a steak and chips and got served a plate of chips due to issues with the local farmer, I would blame the restaurant...