I agree with you, but I have some other concept to propose. The white council building could be built as Rivendell settlement where you can't recruit heroes, but use such abilities:
Why should Imladris have several white council settlements? Remember what the team said: its because of that that rangers are outside.
I may say i surrender, there is no way the white could be implemented in the game; only as a map feature:
Rivendel & Dol Guldur, no more.
Also, why Galadriel should ever convert the enemy?
Also if you wanna play as the white guys, try the new fanmade map of the white council! is great!
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Well here is a new proposition!
Its too much, but since the elder days my ideas have been very complex, but ET is awesome sooo:
Its all about a map feature
The Grey heavens:
Imladris: As the elder elven faction, Imladris should be the one to see the arrival of the istari (besides i now the mod is situated at the end of the TA).
*In this map the council of Elrond will be changed to the former Mist or wind of Manwe.
*Also the last alliance will be changed to the Arrival of the istari. BUT... instead of summoning it every where, it will summon a boat (or two or three) in which the five will arrive to the heavens, for a medium period of time. OR a five-ten minute timer & the five will automatically get out -forever- to their journeys.
Lothlórien: In this case it will be different, there we could only summon blessed Galadriel. Because this faction will be the one that leaves. Instead of summoning Radagast, we will be able to summon Gandalf the white (only three abilities, as Radagast), Elrond the white (no vilya), old bilbo & Frodo. This map will be like a mission map (as Isengard's one), after summoning them the only way to win is to put them all in boats & make them leave the map. But if we fail & the enemy destroys the boats, we will loose
haha
Well also the Dol guldur map, but you know about it! haha
Also but not hoping something, what if a good Isengard map is created, it would be named 'When the light faded'
We will start inside Isengard, automatically with former Edain lvl 10 Saruman the white (no attack techniques & wizard blast blocked); the building plots will be occupied by some gondorian buildings. The gates will be closed until Saruman looks five times in the palantir which will be at orthanc, there whill be a button that will change as Denethor's:
*Leave Sauron to me!: the white wizard dares to use Orthanc stone and reveals the whole map.
*My will is stronger: Sauron finds Saruman via palantir & tries to convert him. The whole map is revealed but Saruman looses 10% of his health. Wizard Blast becomes available. Two gondorian buildings are destroyed automatically.
*Pictures of disspair: Sauron is overruling the leader of the Istari making him think there is no hope, One light alone in darkness ^^. The whole map is revealed & Saruman looses 20% more of his health. Half of the buildings are destroyed.
*I have seen it: An scripted Gandalf the grey enters the map, Saruman automatically leaves orthanc (we MUST purchase Saruman of many colors) & start fighting his old fellow. (if Gandalf Kills him, the game is over). If Gandalf is killed, the nazgul mini horde will arrive trying to enter isengard. But will die only with the blast of the wizard Blast. All buildings are destroyed.
*Built me an army worthy of Mordor. The whole map is revealed, Rohan starts to attack you & you can start to build isengards buildings.The gate will be open freely.
It should be a 1vs1vs1 The other players should be isengard & rohan. That isengard only will build wildmen & will have 20% of handicap.
OMG its too much but anyways haha i wanted to share my thoughts, maybe if it is not the Edain Team those wonderful mappers can make something ^^
Hope this helps one way or another!