Gassée testified to Scully and the board against Jobs, betraying Jobs’ trust and accusing him of planning a coup in the company. This is what got him ejected from Apple. Shortly after Gassée took over Jobs’s role as head of the Macintosh project. Jobs considered Gassée “evil” at least in 97 and probably until his death: https://allaboutstevejobs.com/bio/key_people/jean-louis_gass...