Politician: Democracy requires that there be no restrictions on the ability of citizens to share their ideas freely, without fear of reprisal. Ttherefore the right to have private conversations, unmonitored by the government, is essential to democracy. For a government to monitor conversations on the Internet would thus be a setback for democracy.
The claim that democracy depends on the ability of citizens to share their ideas freely, without fear of reprisal is a claim for which no support is provided, and which is used to support a claim that is itself used to support the argument's main conclusion.