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by KirinDave 3439 days ago
Because there is no sufficient magic for that. App developers have to think about when they do work, how much work they do, and if and when it should be rendered. For any rule you can give, I can give you an example of an app that would break.

In general, the mantra for people who find this tough to fix should be, "Why didn't I use MVC, what a cretin I was!"