Cue a certain commentard about NO 3D FLATSO AND NO STUPID JAVASCRIPT!!!
Seriously, that is an iconic piece of tech. Esp considering how many times folk before Sir Tim broke their teeth on hyperlinking concepts and overdesigned intellectual masturbations inspired by the original Vannevar Bush vision.
And even the rendering shortcomings need context: imagine forward-reading most other tech data formats 25 years and 4 versions ahead. Most software struggles at backward compatibility on past formats.