Strabnge isn't it, that any contentious legal matter so often brings knee-jerk reactions that totally ignore the entire basis of proper evidence and justice!
Unlike in many countries including I think some European countries that also place burden of proof on the defence rather than prosecution, even the Crown Prosecution Service has no power to ask for particular penalties.
It is for the prosection to furnish sufficient evidence to prove guilt; and in criminal cases it for the magistrates or judge alone to set the penalty appropriate to the case, and within the maxima specified for the offence.
Destroying property destroys evidence, risking making a proper trial of guilt or innocence impossible; so any order for destruction is and must remain a part of sentencing.
I am not saying it always gets it right. We have seen some appalling miscarriages of justice in this country but fortunately they are very rare. We also have too many special-case laws, sometimes named after individuals, brought in as quick reactions to satisfy public vengeance, rather than as properly-analysed refining of existing laws. Quite simply no system ever invented and run by human beings ever manages to be perfect – but taking merely vindictive action such as immediately destroying property at the scene is no better than vigilantism.
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Nevertheless the motor industry itself does need taking very seriously to task. It should not be allowed to render simple repairs to keep a vehicle legal -such as replacing a failed lamp – impossible for the motorist or breakdown-assistance at the roadside on a dark Winter night. It should not be allowed to install so-called "infotainment" gadgetry so complicated that it becomes even more distracting and dangerous for drivers who ought not be using it while the car in is motion anyway. I gather some even includes television visible by the driver – if so, what idiot was responsible for that? In any case, it is already illegal to use a TV in a vehicle where it is visible to the driver.
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As for my portable 'phone… it is OFF when and where required by law or otherwise requested; in any cultural event or something like a funeral (the only church services I attend), and voluntarily in any social situation even as informal as a few relatives or friends together anywhere. If I need it, my "sat-nag " is a separate instrument taken only on the specific journey – so not very often.