The relationship between the engine developer and the content developer is important, there has to be a level of mutual respect, we're not their slaves and we don't give them orders as to what should be done next, it's a team, and communication is key..
that applies both ways, and also applies to the FG community as a whole.
As for T4T, they could have been up and running (flying) quickly had they looked at what flug's bombable addon is: a compelling foundation for anybody looking for dogfighting/MP support using FlightGear, not requiring a single line of C++ changed, and working with most recent FG releases, too.
And not being tied to the FG core development community either