That's quite true, most of it is down to the ludicrous labour costs and vastly inflated genuine parts. There's another major factor too. Right up to the early 90's it was fairly common to replace entire body shells, chassis's would be straightened in a jig, just about anything was repairable. Then along came a new regulation (I don't know if this was introduced by The Government or the insurance companies) that damaged or stolen cars must be "catted". I can see why this is a good thing, it greatly reduced the number of written off cars (ones that we'd class as Cat A or B being returned to the roads as if nothing had happened, plus other things that back street dealers did. The negative part though is that if for example you have a new or almost new car and it gets damaged and classified as a C or D would you really want it it back, knowing that an HPI check is going to seriously devalue it. That's why most people just take the money these days. 25 years ago you had no choice, you had to take it back even if the damage was severe and the car was only a week old
Pete