Steven Spielberg's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Steven's 2 beats vs. Spielberg's 2 create a natural cinematic snap.
Steven Spielberg's softer consonants cost it screen presence.
Matching "S"s make Steven Spielberg an instant sonic hook.
Steven (6 letters) and Spielberg (9) have a slight length mismatch, but it reads fine on screen.
Steven Spielberg has mostly familiar phonemes with a few tricky patterns.
Steven Spielberg has decent vowel richness, but stronger A and O sounds would lift it.