Why relation between HKers & Chinese seems so beyond repair?

Why relation between HKers & Chinese seems so beyond repair? https://medium.com/gausee-%E5%AF%B0%E9%9B%A8%E8%86%A0%E4%BA%8B%E9%8C%84/why-relation-between-hkers-chinese-seems-so-beyond-repair-f6b8a5c5eb69