hopefully it will be less controversial
How many of us know all the details or prior owners? There are a lot of great people, unsung heroes, as well as very, very bad people that didn't make the evening news or were otherwise not caught. All of these people owned cars. Some of them may be yours...
My own car was in the family from 1969, so I know almost all its history (much of which was sitting in a garage). But, there was that first six months with a prior owner. How did it come to be sitting on the used car lot of a Simca dealer on the Main Line in Philadelphia, when it was delivered new in Manhasset, NY, just six months earlier? Was it part of a crime family? The Philly Mafia? Was it stolen? As these were the years of untitled vehicles, that kind of thing could have happened. We'll never know...
All that being said, this particular car is the proverbial barn find, sort of. Barns are not generally climate controlled. However, for all the tongue hanging out, drooling over an untouched car, be reminded that regardless of the storage conditions, nearly all of the organic matter in the car will need to be replaced in short order if the car is to be used. While the seats may feel fine, those old pads will quickly disintegrate in use. Any rubber part: hoses, seals, belts, etc. may work now but will break or leak in short order. Anything to do with the fuel system? Yeah, it's going to need a bit of work too. As they point out, the body is straight. But there's a lot more to a car than the body.