If they hypothesis is true, that a bunch of these UFO are actually drones / balloon trying to provoke a response and gather telemetry, then isn't the act of reacting to it and trying to light up the drone is exactly what your opponent wants?
If this is a telemetry probe in drone / balloon form, this is honestly nothing new. That's why subs are routinely in opponent waters, or tailing training exercises while trying to remain undetected. Or just outright fly a plane into opponent territory, provoke a response, record it so that the home team gets something to work on. The US is the masters at this and it's acting surprised that others are trying to play the same game?