That contradicts everything I've ever heard. It varies by both activity level and weight of the person in question.
https://www.health.harvard.edu/diet-and-weight-loss/calories...
https://www.health.harvard.edu/diet-and-weight-loss/calories...
I add at least 1500-2000 calories a day when I am lifting in addition to normal training (as in, 1-2 hours of intense exercise every day).