I dont think Handy was being insulting - he was merely being honest.
The reason this thread is here is because some people have valid reasons for believing they may not have committed an offence, and it gives them a chance to ask others if they have any knowledge which may help.
You could choose to go to court, and explain the circumstances of the offence - but I fear it would not do you much good.
The £60 penalty is less than the cost of an initial consultation with a solicitor.
If you fear your insurance might become more expensive, then you could try Swinton when you come to renew, as they do not treat speeding offences like a heinous crime.
Stay and read through the forums for driving tips, and look up the main site if you feel you want to support a sensible road safety policy instead of abdicating it to speed cameras used indiscriminately.
At the location in your case, I suspect that they had a good reason to visit this site because of previous incidences of high speeds.