Starbucks employees are unionizing in record numbers and the company is in the new for refusing to negotiate and for allegations of closing stores which vote to unionize and firing employees

Starbucks employees are unionizing in record numbers and the company is in the new for refusing to negotiate and for allegations of closing stores which vote to unionize and firing employees.  Understanding the changes will be needed in the organization to be able to manage the situation.  What tactics could be implemented? What would be the justification for strategies and tactics? What would be the impact of change on sustaining the company's competitive advantage? what would result focused collaborations look like?