This is a legit. The concept comes down to if you know the diff of your models/collections, do you really need to do all the work that React does with diff-ing

This is a legit. The concept comes down to if you know the diff of your models/collections, do you really need to do all the work that React does with diff-ing the virtual DOM to know what to render? If you know the diffs of the models/collections, and the logic of handling the diffs is bound via one-way binding through the mix-in then I do believe this is efficient and viable. I also would like others to discuss about this.