Good read, and quite refreshing to hear this from from inside the team. This type of "conjecture" is usually being posted by someone like myself from a land far away without any access to the all-knowing telemetry traces.
One thing I found a bit perplexing was the mention of the team following Jenson's development path, and the ultimate realization that it was benefiting Lewis too. This may well be true, but it doesn't change the fact that McLaren was utterly destroyed in the development race last year. Combined, they won 4 of the first 8 races, and just 1 of the last 11. It took them forever to sort out the EBD, and they apparently have still not come to grips with the flexing front wing. Button may be good at steering a cars development in a positive direction, but to reinforce what others have already said here, "C'mon McLaren, give the boys something to slay the Bulls with!"