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If you take a look inside a MacBook you’ll probably see imperfection as well at times, that are still acceptable since they are internal. It’s a similar situation here. We know that people are much more concerned with external imperfections than internal, and allocate costs accordingly. What would be the point of increasing the cost of the MB tray by 2x in order to attain the same surface finish as the Shell? Nobody will notice once the case is built and we’ve made people pay more.
