Because it's about intent. Did he intend for this to happen? Maybe assume not for the time being.
For me it's less about what has happened and more about how he responds to/deals with it. If you can be civil in the meantime, hard as that might be, it might have a positive affect on this regrettable situation
So this needs sorting by Sid. Refunds don't sound like a problem but has he tried to contact everyone who has had parts off him?
With hindsight, a test/development mule should have been used. I hope this is a transition to success rather than a shutting down of developments