Dial up the settings to 1080p 60 fps and set the playback speed to 0.5 and look closely.
You can see that at least two of those drones have flapping wings.
Unfortunately, the video is not conclusive, even if enlarged. I have to vote with the bird group.
Despite the fuzziness of the picture, I don't see any arms with props, but several 'blobs' do appear to be extended wings.