First, you seem to believe that worship leading is a leadership role. This depends on how you define leadership, I suppose. We do call the person a worship leader, but this is not an authoritative leadership. We need to distinguish between different types of leadership. For example, we have traditionally accepted women as leaders for church potlucks.
Women help organize the food and run the kitchen.
They even have the authority to tell men to get out of the kitchen, and where to set the tables, etc. We have commonly accepted this type of leadership role for women. Paul did not prohibit all forms of instruction and authority of women over men. My point is that worship leading is not an authoritative role. Perhaps it is better described as a facilitating role, an encouraging role, a coordinating role.