Do agree about the sticker having the reverse effect, but looking at the company mentioned by TBB, it does look a lot better than the alternative. Certainly better than VM's ploy of painting all their cabinets grey
http://www.wrapandhide.com/site.php/?page_id=10
However, on the flipside, if you were openreach, spending millions upon millions rolling out fibre, you would probably seize any opportunity for free advertising