Do side delts need a lot of volume? In addition, the side deltoid is a very small muscle and it is therefore very unlikely that you can do heavy weight safely and without compromising the quality of work. As a result, the most volume you can do and still recover for side delts is around 25 sets a week. That is a lot.
Is 2000 calories burnt a lot? Burning 2000 calories a day, especially through working out is generally not something that many people can be able to do. Even moderately active people are advised not to try and achieve this goal everyday.