Ben Affleck's 3 syllables (1 + 2) hit the Hollywood sweet spot.
Ben's 1 beat vs. Affleck's 2 create a natural cinematic snap.
Ben Affleck's softer consonants cost it screen presence.
Ben Affleck misses the alliteration hook that makes names stick.
Ben (3 letters) and Affleck (7) have a slight length mismatch, but it reads fine on screen.
Ben Affleck has mostly familiar phonemes with a few tricky patterns.
Ben Affleck has decent vowel richness, but stronger A and O sounds would lift it.