Because the role of the government in an allegedly free market is not to boost or squelch specific businesses. That's what happens in planned economies such as

Because the role of the government in an allegedly free market is not to boost or squelch specific businesses. That's what happens in planned economies such as the old Soviet Union. The government already discourages some kinds of business through the creation and enforcement of laws. Going beyond that is not the action of "the government", but can only be the action of individuals within the government abusing power to pursue their own beliefs and agenda.