You are clearly not familiar with the literature on this subject.
Claims of alien contact date back to at least the 1950s.
Everybody laughed at those “kooks”.
They may end up with the last laugh.
Please link any literature before 1978 implying there was alien bodies or alien spacecraft involved in Roswell
Actually far earlier.
https://en.wikipedia.org/wiki/List_of_reported_UFO_sightings
I remember reading that in the late 1800s newspaper writers, when they had no story to print often made up a fantastic tale of flying ships, flying monsters so they would not have blank pages in the newspaper.