三鹿集团婴幼儿奶粉污染事件曝光后，三鹿产品骤然全国滞销。企业破产已成定局，三鹿集团原董事长、总经理田文华也已被刑事拘留。
（1）上述材料反映了经济常识的哪些道理？
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（2）从历史唯物主义角度看，“三鹿”的破产给我们哪些哲学启示。
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