This is an extreme form of violence, not physical but definitely psychological, your whole life of work savings was wiped out and taken by this guy.
Holding the view you hold is why white-collar crimes are viewed so leniently compared to what you'd call violent crimes. Just because the effects of it are more abstracted away doesn't make them lesser, people might commit suicide over this. They might never recover the amount of money lost for the rest of their lifetime. It's a perpetual torture for those who got the shortest end of the stick. How is that non-violent?