> Military aircraft have controls on their dashboards for turning individual systems off as required. Turning off ADS-B would be the first thing on the checklist for sensitive flights, and one of the things that are turned on purposefully when entering friendly airspace.

Yeah, of course, but that doesn't mean there still isn't an issue. If you read the article, you'd see that it was talking about stuff like military aircraft having their transponders on in friendly airspace over countries like Germany.