Data scientists are one of the most sought after roles in today's technology organizations. Salaries are rising for this important role. In some IT organizations, CIOs may only have the budget to hire one data scientist. So when it comes time to hire a data scientist you probably want that person to be a rockstar.
The candidates you're interviewing could be the smartest people in the world when it comes to creating machine learning systems, but if they don't have this one soft skill, they won't be as successful