If personality was important, the market would express that in their choices of dating apps. There have been many well funded audio-based dating apps where voice notes replace the profile picture:

Whisperr

SwoonMe

Vox

Heart to Heart

Blink Date

This is perfect for getting to know someone's personality before seeing what they look like. However, none of these apps have taken off. If personality was indeed the silver bullet that people say it is, the demand for voice-based profiles would have at least had these apps in the same ballpark as the visual apps such as Tinder, Hinge, Bumble etc

Let's face facts, looks are the number one criteria for both sexes, by far. It's 50% of the equation, MINIMUM. Personality is an extremely easy bar to cross. Being neurotypical and having a similar culture is usually enough "personality" to see you through, and the bar for personality gets lowered to the floor for more attractive people