Evaluate the Argument on Remote Work Productivity

A recent analysis of workplace productivity suggests that remote workers are generally more productive than those who work in traditional office settings. The study attributes this increase in productivity to reduced commute times and increased flexibility in work hours. However, it also notes that this trend may not apply to all industries or job types. Critics argue that the conditions of remote work can lead to feelings of isolation and decreased teamwork, which could negatively impact productivity in some sectors.

What is a necessary assumption for the argument to hold?