Ah titans are a great idea, and completely doable.
Its just HOW they are incorporated into the game. The development decision to say "titans will be a early mid game ship". This is more detrimental to game balance then anything else, they asked for this knowing full well that they were upsetting the game at so many levels(did they get a new design leader who wanted to make their mark on the game? please god tell me no!). The player base doesn't like the game getting too upset as to render several fundamental ship types irrelevant. Also, this development decision could be EASILY changed by increasing the tech requirements of titans, and increasing their cost, and buffing the ship for arrival in the mid game.
A tech level 6 titan that costs a LOT of resources would be the ultimate game ender for large fleet vs fleet fights. (say 20k credits, 5000 metal and 4000 crystal, that you "feed" to the titan project, and have a little counter in your window ). This would be something that multiplayer games rally behind and if you don't pressure the economy player enough you will just get an uber ship of death knocking on your door. IMO, this would make endgame matches really cool, instead of just a spam fest. Might even get a frontlines player to get some feed researched so they could feed the economy player for a titan .
This would fit better with SoaSE as it is currently designed. The developers made the decision to get these ships early to ensure players got to use them more. They can still be achieved, but now they are achieved in the mid game. Many multiplayer matches reach this point, so its not out of this world to concieve that yes, players would be able to play titans.
Titans would offer players the stalemate capability IN THE MID GAME, where it has rarely, if ever, been possible.
Stalemating in the mid game allows for more longterm strategies to play out that enable the game to reach the END GAME.
In this way the game is better balanced and you might have the potential for some incredibly long and exciting multiplayer matches.
Also, my suggestion allows for stronger titans starting out of the gate, and stronger titan abilities. This would allow titans to still feel totally badass.
That, or the developers change the titan levelling curve so that they
A: level slower
B: Gain more in ability strength and endurance per level.
Currently developers are nerfing titan health.
WHY? because they are an early game ship...they are TOO STRONG FOR THE EARLY GAME.
I'd rather see titans later on in the game, as it stands they arrive too early and will wreck too many tried and true game mechanics.