Moving to a role with more impact might be motivating and fulfilling. Check out 80,000 hours [https://80000hours.org/] - they're a non-profit that researches how to best use your career to help others.
The only people saying it's a net negative are people that don't actually use FB that much. For those of us who like it and use it to communicate with friends and family daily, the new groups features are long awaited. Group chat built into FB is so convenient! And fun.