Settlements are achieved at or shortly after mediation in about 85% of cases.
Savings in costs, stress, management time and distractions.
Mediation is entirely private and avoids unwelcome publicity.
Settlements reached through mediation do not set precedents in the event of similar disputes in the future.

No. Any party can withdraw at any stage and cannot have a settlement imposed on them. Parties only need reveal the information they want to. The discussions are entirely without prejudice to any current or future litigation.
In a few cases, mediation fails to result in a comprehensive solution on the day. However, mediation invariably provides insights and understanding which may encourage and support continued negotiation after the mediation.