I've just had a phone call from my 25 year old son. He was turning right on to a main road in fairly slow moving traffic. Somebody let him in but he had to nose forward slowly as visibility was impeded by a lorry. A motorcyclist hit the car and the rider came off. Police and ambulance were called. Brief facts:
* no damage to car apart from minor paint scuffing
* some damage to bike; some instruments a bit loose and handles slightly out of alignment, but rideable
* rider not seriously hurt but paramedic said he could possibly have a sprained ankle; rider was happy to continue his journey to work (on the bike)
* after speaking to a witness, policeman said no obvious offence had been committed and said police would take no further action; invited son and rider to sort it out between themselves or with insurers
* my son remembered his Dad's previous advice and did not offer any apologies or admit blame (that's my boy!

)
My son said there was no hostility and they shook hands. On the question of blame, he was unsure. He thought the rider was going too fast, considering he was approaching traffic lights. and the bike hit him, he didn't hit the bike. ...but was my son nudging forward too quickly? Hard to say.
In the post-accident conversation the rider said the damage to the bike would be £300 max (bike value £1000) and invited my son to pay the garage bill, in which case (he said) he would make no insurance claim, either for the bike or his ankle. My son invited him to let him know the cost but made no commitment. The insurers already know about this offer, by the way. The black box in my son's car registered the impact and they were on the phone immediately. The insurer's initial advice is for my son to pay the garage bill, in which case (they say) the incident will be treated as a non-event and have no impact on future premiums.
My son now wants my advice. My first thought was he should pay this garage bill and keep the whole matter out of the hands of the insurers. But I'm having second thoughts. This bike rider SAYS he will not take further action if his bike repair costs are met, but what is to stop him settling in front of the TV in the afternoon, watching an ad put out by some firm of ambulance-chasing solicitors, and immediately rushing out to buy a walking frame, neck brace, crutches and other where-there's-a-blame-there's-a-claim requisites, then phoning the 0800 number, pound signs flashing in his revolving eyeballs? And if my son pays this bill, could that be taken as an admission of responsibility is some future compensation claim?
By the way, the £300 approx would be easily affordable and not a problem.