Every time I see a railway worker now, I'll be wondering "does he/she also think it acceptable to label some colleagues as 'parasites' "
This is rather silly. One of my guard colleagues asked to see someone’s ticket the other week and they responded by spitting in her face. Should we assume all passengers think that’s acceptable, then? Of course not.
The vast majority of people aren't like this. Most train crew mess rooms are a friendly, helpful (if a bit moany!) place to be. Many are moderates and I think the reasons they have decided to strike are fair and reasonable, yet I can also see how the company having contingency plans to provide their raison d'etre (running trains) is perfectly reasonable and in fact would be a deriliction of duty if they didn't have a backup plan.
This is a very fair assessment of the situation.