According Zobozi it was because of Koffi being mad about JB having the same gate, which motivated him to put those big MM in gold when coming back from Europe. But seeing this video, I think that it about those pillars with those golden strips who are almost the same like those of Koffi if you look to the Monde Arabe-clips who are for a big part filmed in Koffi's house.
from 1:44 min
They had to do a Crips version Kinshasa at that time for all Congolese bandleaders.
I think that Koffi is the only Congolese bandleader who frequently showed almost everything is house. His house changed alot, you can't compare the one of 1994 to that of 2002, that of the Loi-videoclips to 2012, that of today to the one of the Monde Arabe-days, the one of Attentat to that of 2016.