What do you think if someone you know says that he uses a safe to store his personal belongings? Do you think it's outdated or do you think you should get one, too?
In 2009 many people lost their trust in banks or were alarmed for some time. The reason was, of course, the banking crisis, in which some people did not get their saved money back.
This also had a considerable impact on people's behaviour.
Many people felt uncomfortable and insecure, acquired safes for their homes.
So by no means obsolete, but for some a feeling of financial security.