You said: "Not because I’m ambitious, but because things needed doing and I was the only one available to take care of them."
But this person doesn't always exist. Or that person might exist but might not want to "take care" of the team as they don't enjoy that or feel overwhelmed by it.
But in the end your team didn't self organize. You stepped up to organize it.
In many cases this only goes a certain distance, in many it doesn't and somebody needs to make the management decisions as a manager and understand what the team is struggling with.
You said: "Not because I’m ambitious, but because things needed doing and I was the only one available to take care of them."
But this person doesn't always exist. Or that person might exist but might not want to "take care" of the team as they don't enjoy that or feel overwhelmed by it.
But in the end your team didn't self organize. You stepped up to organize it.
In many cases this only goes a certain distance, in many it doesn't and somebody needs to make the management decisions as a manager and understand what the team is struggling with.