Ok two points to make
1. I would never recommend using instant book. If you are going to use it, have superclear rules about expectations around behaviour. You need to take some responsibility for the lack of communication. You could have messaged them to find out more about their plans and emphasise the nature of the local environment and expectations around behaviour.
To be honest I can't understand why you didn't speak to BnB and arrange for your 'guests' visit to be cancelled after their appalling behaviour, impacting not only on you, but your neighbours and having a cost on your community - police having to come out to the incident
I would suggest you turn off instant book and get a clear feel for your guests before you confirm a reservation.
2. To be honest I can't understand why you are 'hesitating to write a bad review'. These 'guests' were appalling - they disrespected you, your neighbours and your community and could have killed someone with their dangerous driving. I would write a clear factual review....
Something along the lines of......
"Our guests said they came to hike in the forests. Unfortunately on the XXX night of their visit they returned to our quiet conservation area in the middle of the protected forest by car in the early hours of the morning at full speed on a dirt road with music playing loudly and the passengers drinking and yelling and circling around the four houses, of which our property in one.
"When they finally came to a halt they dumped empty drink cans by the roadside and some of the party went out to locate more alcohol. The rest stayed in the house and continued to shout loudly.
"Their behaviour was so bad our neigbours called the police. I then had to stay up to translate while the 'guests' were questioned. They did not seem to care about the impact of their behaviour on myself as their host, their neighbours or the community or the damage they had done to our conservation area"