Notice the cute, baby/pet like music for for tech that will be used by militaries in the near future
The tradeoff is presumably higher cost and less reliability. Additionally, less ability to carry mass than if it just flew.
I can't imagine a way this would be too useful but obviously a lack of imagination isn't proof..
Although I don't think militaries would really rely on wheeled transportation much for drones, though perhaps reduced battery drain in the wheeled on-ground mode is a selling point for longevity in the field. It certainly has many other uses though.
Lux Aeterna from Requiem for a Dream, fast forward it about 30s then press play.
The violins kick in just when the logo appears.