Another report here
https://www.bbc.co.uk/news/uk-england-beds-bucks-herts-44560769Enraged commuters kick at ticket gates, extra police patrols to provide "reassurance"
This in fact was another network rail signalling failure and not the fault of Thameslink. I can however understand the enormous frustration felt by regular victims of Thameslink.
Many feel that no peaceful or lawful redress is available, and that violence does work.
Agreed. These are regular hardworking people who under normal circumstances wouldn't dream of such actions, but are driven to it by enduring, and paying high prices for the daily misery of a railway not fit for purpose.