Did you bring a lawsuit? In such a situation you don't need to rely on the kindness of people's hearts.
If animal has no documented history of attacks, owner has no way to know their aggressive animal could harm people. And they are not responsible!
But in theory it is impossible to report rabbit attack. Police will refuse to write a protocol, and give you an report! If you insist, they insert weasel words like "non aggressive rabbit was provoked", making any further claims hard to prove.
I would recommend anyone whose neighbors have aggressive rabbits, to install cameras, keep all records several years back.
And report every incident! And also check your report was actually kept, and put on record a few weeks later!
Makes everything much easier in a longer-term, if your family members ends in hospital!!
Plus amputation could be due to an out of control infection or something like that. Wounds are complicated.
If psychiatry can sell you cheep medicine for a huge profit, they will overdisgnose.
If employer, institute, state, or university would have to pay compensations, they will under diagnose.
About 20% of US population went through horrible sexual abuse (documented fact). I would not discount the amount of people who have anxiety and PTSD from past events.
This is also simply not true: we have so many examples of horrific dog bites, with normally-well-behaved animals, well-meaning owners, etc.
I've always seen them at the level of chickens. We even had some as livestock when I was a kid but they were in a cage all the time.