You shouldn’t. If you want to run first you need to learn to walk. I don’t recommend it. I have seen many people who are studying thousand of hours openings or advanced themes without know perfectly the basic concepts of the middlegame. The problem is that they don’t progress and have got the same rating because aren’t solving the main problems of their games.
Basically, all the training programs of The Rebel Alliance go deeper and are easy to understand and later implementation in your chess games. I present you the techniques in their context. A post is too short to describe everything correctly. Plus, I take on much more advanced topics that have barely received any treatment on my personal blog at the moment.