Yes I agree, it's sad to see it in this shape, but it's also why the remaining cars will continue to be valuable. How many early cars are left now? Actually I can somewhat answer that, of the first 500 HS30's I've accounted for around 120 cars. But even fewer will be matching no's, even fewer will be on the road, even fewer original, and I haven't subtracted all the decreased ones from that figure (which I was able to account for).
So let's for argument sake say there is less than 100 left in questionable condition. If you have an early 1 with hatch vents you're part of a very exclusive club of fabulous people who have excellent parties and you're held in high regard at social events. LOL...
I don't have meticulous records of how many are no's matching. But suffice to say I'd say numbers matching is often exception and not the rule. Many early cars had L28's slotted in them.