Easy to say now, but before PCs and Alpha-based workstations started becoming viable competitors in the mid-to-late 90s, SGI was the undisputed KING of graphics and high-end workstations. “SGI” was synonymous with “3D graphics.” People didn’t say “3D effect” or “computer graphics shot,” they said “SGI effect” and “SGI shot.”
But yeah, they did NOT adapt well.
For someone who had the lead they let it go. Having worked with SGI it is apparent they had “Middle Manager Syndrome” that dooms many companies.