CNN: SpaceX gets almost $900 million in federal subsidies to deliver broadband to rural America.
https://www.cnn.com/2020/12/08/tech/spacex-starlink-subsidies-fcc-scn/index.html

Jim Bell's comment:
Presumably they didn't actually need the subsidies.
Also, given that the transceiver antenna costs $500, I can see that there will be a big demand for an add-on router/WiFi system to allow many houses to share a single antenna.