Any libre software, volunteer, or even startup project will have elements of do-ocracy (rule of those who do the work) but not all decisions should devolve to implementors. Rather, a basic principle is that decisions should be made by the people who are most affected.
Particularly when a decision strongly affects more than those who carry it out, therefore, we need better ways of making decisions that give everyone their say. This starts by letting people by heard by everyone else. Fortunately, we can scale conversations and decisions in a fair and truly democratic way.
Learn why meritocracy ("rule of those with merit") is a completely bogus and harmful concept.
Gain a passing familiarity with various ways decisions are or have been made in Drupal.
Add sociocracy and sortition to your vocabulary and understand how these esoteric concepts can help our community scale.
See how Visions Unite is putting more democratic decision-making approaches into practice.
The most important things we have to do need to be done together. Giving more power to our communities can help avoid failure also. And our work together is most powerful when we make decisions about it together.