The end product is great and the sticker itself is great, but the application guides aren't helpful and I had to wing it.
I tried to use masking tape in the way advised in the video. The sticker was far too heavy even with the appropriate amount of masking tape, so it fell off and because it fell rather than being taken off controlled, the masking tape then took paint off the wall too.
So I have the inconvenience of painting those areas again, but the product itself is good.
I will still purchase more, but will wing application instead of following guides that don't work in reality