Personally, I have found it difficult to work with people I have friendship level relationships at work. We always get things done, but sometime you may need to critique someone’s work or push back on something to advocate for the project. However, I have found that as you work with the same people over and over again and do good work, people you have less of a relationship with will also make their selves readily available to contribute to your project. Additionally, I am very young in my career and within the company, so I do not know EVERYTHING. So forming a team with people who are more knowledgeable in their department role would create avenues for open communication and cross fictional effort.