Under extreme emotional stress such as this situation people act irrationally. The brother may come to his senses and relent as he has time to calm down and reflect. If charges are pressed it becomes extremely unlikely this will happen. Further it does harm, it will dramatically affect the life of the brother if he is convicted.
Deescalation is not emotionally satisfying but it does work.
> Too bad you didn't let him assault you: that would have made it much easier. Simply charge him with assault and use it as evidence in the POA hearing.
Sometimes its best not to further aggravate family arguments. This situation is currently recoverable, filing charges will forever change the relationship.
Most likely the plastic molds wore out and the decision came to either spend $100k per mold to restart production or sell a new product. Usually the right thing to do is to modernize the product at this point.
It's not a choice between leaving things alone and change for change's sake.
Older stuff generally had poorer tolerances and in some cases barely worked. However when it did it was easy to fix and was generally designed with a large margin.
Nowadays we make things with a lot more precision and the mechanics will go a lot longer without needing repair. However if anything goes wrong the whole thing needs replacement as it's not designed for repair.
Deescalation is not emotionally satisfying but it does work.