1. So, when we say "there's no hierarchy of illusion," it means that illusions are all the same - they're not more or less important or real than each other.
2. The writer is saying that all the things you pretend or imagine are equally make-believe.
3. Sometimes, you might pretend that certain things in your life are more important or real than others. But in reality, there is no ranking to these pretend ideas.
4. Whether we believe in big illusions or small illusions, illusions of pleasure or pain, illusions of success or failure, they are all equally illusory and devoid of reality.
5. Ultimately, all are distractions from seeking the Truth.