Why do some people with amazing singing voices not become the reknown/famed?

Like they don’t have the wattage? I can think of this singer cat grace, amazing Celia pavey
[media=https://youtu.be/MnzQWYvq_o0]

Either is well known or reached any fame.

Also the same with cloves [incredible unique singing voice] she has never taken off.
[media=https://youtu.be/H_TJs9vH0ow]

Lana del Rey has a much weaker voice but is super famed.

What’s the secret?