“This is very disappointing coming from a NASA hero...
They say that seeing the blue marble from space changes you, I guess this is what they mean.
Al Shepard, Wally Schirra or Neil Armstrong never made such claims...”
Perhaps Al, Wally, and Neil are honoring their agreements to secrecy?
Al, Wally and Neil will be honoring any secrecy agreements for a long time to come. Sadly, all have passed on.