While everyone is free to maintain their projects as they wish, you don't necessarily need to maintain this level of control. As the project gains traction you

While everyone is free to maintain their projects as they wish, you don't necessarily need to maintain this level of control. As the project gains traction you'll develop a community of trusted developers around you and you could consider granting commit access to some of them to help reduce your workload. It can also reduce the stress of feeling that you'll be blamed if something goes wrong and it becomes more of a community effort which is one of the benefits of open source.