This is a policy choice. For many voters, it's far more important that nobody "gets something for nothing" than nobody starves to death. This has resulted in the benefits system being increasingly punitive leaving some people without money for food for weeks at a time.
Use of food banks has increased in the UK, and hunger is very much present: https://en.wikipedia.org/wiki/Hunger_in_the_United_Kingdom
This is a policy choice. For many voters, it's far more important that nobody "gets something for nothing" than nobody starves to death. This has resulted in the benefits system being increasingly punitive leaving some people without money for food for weeks at a time.