Having opened a Discord Server for a company in the past, $200k is about right for something of this size. KQED has the most-tech savvy listener population of a US radio station (the local NPR for SanFran and surrounding area)
Paying people to moderate it real-time will probably be most of the cost.
If you have been vaccinated, then the current strains are about as deadly as the flu. We still need to keep ready for new strains and for sudden surges that can quickly overwhelm a single location’s health care capacity. This is true of influenza as well, a new strain hitting a small contained community can cause issues.