People are more likely to follow the founder of a project than the official account. This is why most project accounts are botted to death.
People are more likely to listen to a podcast with a face in the cover art. This is why most podcasts covers have the hosts front and center.
Founder led marketing has its downsides but for continuity it keeps people interested in what you are doing and builds rapport with your users in a way the project account never could.
The funnel starts at the founder and leads to the project account.
Once a user is following the project account you have their support/interest on a monetary value. They are either power users of the product of speculative observers on what's to come.