Well done. The message was strong and your hand gestures augmented the presentation.
However, the lighting was poor. The videographer should have made sure that there was enough light on the main subject (you) but there was not. The 'candles' behind you likely fooled the electronic aperture on the video camera. This should be taken into account next time.
Filming with low light can be an effective video technique but one must be careful not to leave the main subject in shadows. [More]