Instead of trying to directly control their actions, propose some processes that everyone should be following. These processes should be based on the values yo

Instead of trying to directly control their actions, propose some processes that everyone should be following. These processes should be based on the values your team is trying to achieve. So, you need agreement on that first. There is an old saying. If you want to build a product, you must first build the team. Don't skip that team building step. As part of that step, you will come to agreement on the team values. Once you have team values, you will be able to make progress on anything that is out of bounds.