Innefficace even dangerous if misused optics

I specify first that I am a handyman who is doing almost everything with but I have indeed no experience in the optical polishing plastic car. This product is supposed to work and I think that in the hands of an expert in this field would have been luckier than me (maybe).
I used the product in accordance with the instructions, taking all the time necessary to get there. Comfortably installed in a garage, with good lighting, seated ... in short, ideal conditions. I add that my perspective is the prerequisites (no plastic film) and was moderately opaque (technical control made no comment on this)
Here the opinion: The yellow pad that attaches to the drill has from the beginning of the application, even at low speed, swung around me little bits of yellow fiber, making me doubt the quality of the product. Seeing after several minutes there is no positive result, I focus on a small part of the lighthouse by pressing a little buffer. Still no result except that the polish on the pad had hardened with friction. I shall give again and continues. Unfortunately for me, this has caused local overheating and this time it marked the flagship of a beautiful yellowish melt trace. So I was left to scrape damage to the cutter to make up almost instantly.
I also used the hand sanding pads provided in the kit to see if cétait more efficient, for that matter ... to repair the damage without any efficacy.
In short, at my level I consider all this as a waste of time and money. For that price I could have done a lighthouse on two sand by my bodybuilder. So I strongly recommend. Up to you ...