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￼￼￼￼￼￼￼￼￼What one person considers ethical, another may consider unethical. Therefore, ethical considerations made by the state are often arbitrary.
What should be illegal is not always unethical, and contrariwise what is unethical is not always illegal. ... i.e. a parking ticket is illegal but not unethical, and lying is unethical but not illegal.
your examples are not true in general