How much of a threat are Chinese spy balloons?

Chinese Spy Balloon Flying Over Montana: Is It a Threat?

US downs Chinese balloon, drawing a threat from China – The Denver Post

Colombia releases more details about second Chinese spy balloon hovering over Latin America

How much of a threat are Chinese spy balloons?

Törlés Esős sikátor www.balon 2019.cz Embody megégett akadályozzák

China's Spy Balloon May Wake the American Public Up

China says suspected spy balloon over U.S. skies is a civilian airship

China, U.S, Taiwan - Scuttlebutt - gCaptain Forum

Opinion Does China Have a Spy Balloon Strategy? - The New York Times