I would say that, in this case, it will hopefully be a positive impact. She is honest about her routines and eating habits. She underlines that her economic opportunities allow her to dedicate more time to her health and fitness. She makes it clear that the changes to her body as a result of working out are in pursuit of a more active lifestyle.
Body positivity is important to make people comfortable at every size. However, we should all still strive to live a less sedentary lifestyle and make better dietary choices.