In my experience, the '69 Camaro is on a lot of bucket lists. Guys in the market for one sometimes do due diligence and gain some knowledge; mostly not. There's a lot to learn-over the production run Z/28s were built with 3 different tachometers, 4 different exhaust systems, different wheels. There were other subtle, undocumented changes over the model year. Options were added, others discontinued. I'm coming up on 43 years of experience with them and still learning.
Entirely possible he bought the car because he always wanted one and liked it. He may in fact know little about it. Over the years, I have met two original owners and I doubt either could tell you much about their cars.
For those in the market, first do some research. As seen here, there are reproduction body tags, reproduction paper work. Very easy to be fooled into buying a car that was misrepresented. Often, the seller is not aware.