Magnus's father Heinrik Carlsen on possible formats for a world championship:
"Magnus favours a knock-out system with for instance 64 or 128 players mainly coming from the preceding step. When there are eight players left in the knock-out stage, various alternatives are possible and we would like to mention three viable options.
The first is to continue with the knock-out matches, and the final winner is the new World Champion.
Another alternative is to proceed with candidate matches between the eight remaining players at other venues and shifted in time. After two rounds of candidate matches, the two remaining players would fight for the world championship title.
A third good alternative is to stage a double round robin World Championship tournament between the eight remaining players from the knock-out cup."
Anand on the ideal format:
"I think what we had in Mexico (2007) and San Luis (2005) are the best. (In these championships, eight qualified players played on a double round-robin format). First of all, it’s attractive to have four games (involving all eight players) a day. If you have one game and that fizzles out, spectators have to come back two days later. Not a dream format, in my opinion."
It sounds like they are in basic agreement.
That is the privilege accorded to the World chess champion as he had also faced similar situations-- candidates, inter-zonal,round-robin etc to become a Challoenger and then only dethroned the then existing WCC. Challenging a system just to suit someone"s interests will ultimately ruin the very organisation. Even though Kasparov challenged the FIDE, he defeated the existing WCC Karpov duly following due process. Let Magnus become a Challenger first then let us see whether he becomes WCC.