If you consider Mozilla as merely a for-profit business, no. If you consider Mozilla's mission statement, the ROI is absolutely through the roof. "Our mission

If you consider Mozilla as merely a for-profit business, no. If you consider Mozilla's mission statement, the ROI is absolutely through the roof. "Our mission is to ensure the Internet is a global public resource, open and accessible to all. An Internet that truly puts people first, where individuals can shape their own experience and are empowered, safe and independent."