Well people do say that the magnetic attraction that the pickups have on the strings can reduce sustain. Ergo, more pickups = less sustain. Whether that effect would be noticeable is debatable.
I have to say my first response to the pic was: “how much hum would a humbucker buck if a humbucker could buck hum?”.
Does it work? If so, no worries. If not, and you want me to fix it and/or listen to you complain about it, then pay up! :D