But we know that these same corporations may be legally obliged, secretly compelled or financially incentivized to give or sell the information they have about

But we know that these same corporations may be legally obliged, secretly compelled or financially incentivized to give or sell the information they have about you to the government. And if the government cannot get hold of the data through these means, they can simply steal it from the privately owned data centres where it has all been so conveniently aggregrated. Especially since Snowden we have seen that private corporations function as a funnel through which intelligence agencies amass data on private individuals.