Hardly. Not sure what you are thinking on this one.
We are talking about the original 69 Boss 302. Not the new one. The original was okay for its time, but in the real world, it was used at the drag strip, not the road races.
I raced against plenty of them at the drag strip. Never saw one of them on the road course.
Even the old car rags made comments like, "best handling car Ford has made", which was not a really great endorsement considering Ford's street cars were not the best handling cars around, at the time.
Now, I grant you this. Ford originally intended the car to be a fit for the Trans Am race category, but quietly quit pushing it. Although Ford never did get around to offering the "Drag Pak" option for the Boss, but did offer it with the 428CJ.
It was an odd car in the real world. No matter what Ford intended.