NO!
The Betty and Barney Hill case has NOT been discredited.
Stanton Friedman and other famous researchers have been over it backwards and forwards and verified it’s authenticity from a number of directions and perspectives.
The star map Betty was evidently shown on the craft and was able to recall . . . turns out to have been quite accurate when at the time our astronomers did not know such to be the case. Later discoveries proved Betty quite accurate on all the 3 dimensions.