There was a lot of skepticism that their planes were real, even years after they had first flown publicly. Information spread more slowly in those days.
They just took their time, and it became a joke because other people were already flying around when they came in public saying they were flying first.
https://www.youtube.com/watch?v=EkpQAGQiv4Q
https://www.loc.gov/collections/wilbur-and-orville-wright-pa...