SF Symbols is becoming like CSS in that I expect to soon see seemingly impossible feats of graphics done entirely using SF Symbols, with no other drawing APIs used.
The year is 2042. Display PostScritpt and CoreGraphics have been replaced by SF Symbols. Every pixel in Apple Glasses is drawn by SF Symbols. SF Symbols are used to predict protein folding. The CEO of Apple is an SF Symbol.
2099. SF Symbols becomes self-aware. Humanity’s fate is sealed. (And animated.)