The GoPro can be really tightened on the included tripod mount only after Roughen (sandpaper) the clamping surfaces.
The retaining clip is ok. Let's see how long does the quick release.
The rest of the screws ensures a wiggle and move the camera. Say I can not 100% fix the GoPro. Some play it always.
Here I've helped me with glue. Then just go the whole much better.