There are ways that Wikimedia rebranding consultations could be done collaboratively, politely, and with careful stewardship of donor's money. This is not one of them.
I think that it's time for some people in WMF to move on. Without having access to WMF internal discussions, I don't know exactly who I would remove, but I've had enough of poor coordination, questionable financial decisions, and discourtesy, and I hope that the donors and the Board have too. These problems are not isolated to the rebranding effort, but I think that this is as good a place as any to start replacing employees who aren't working out.