Why should dog owners be cautious about using ball launchers with their dogs?
Mixed evidence basis (see the evidence summary)
By Dog Smart Training & Behaviour · · · 1 min read
In short
Ball launchers are highly motivating for many dogs, but they can cause conflict between dogs over the ball, contribute to obsessive/possessive behaviour, and are linked to increased arousal and stress hormone production through the chase activity.
The fuller picture
Be mindful that high value resources like balls can easily cause conflict between dogs, they can easily become obsessive and possessive over them. Watch for arousal, understand that this chase activity is linked with the production of stress hormones.