The Iconian threat may very well be neutralized once we come back to our senses with the Timeship never having been built.
They would forget all about whatever they were doing with all the crazy timeline changes going on in the universe.
Our minds can handle timeline changes, Although we might not be aware it's happening, but theirs are more vulnerable.
I bet after all the timeline changes the Iconians get Alzheimer's and wander off into the far reaches of the universe.
Maybe they end up never invading, because a total 100% restoration is impossible.
There! No crappy genocide story, at least not for us, and we get a cool hellish conflict of crazy time shenanigans.
"He shall be my finest warrior, this generic man who was forced upon me.
Like a badass I shall make him look, and in the furnace of war I shall forge him.
he shall be of iron will and steely sinew.
In great armour I shall clad him and with the mightiest weapons he shall be armed.
He will be untouched by plague or disease; no sickness shall blight him.
He shall have such tactics, strategies and machines that no foe will best him in battle.
He is my answer to cryptic logic, he is the Defender of my Romulan Crew.
He is Tovan Khev... and he shall know no fear."
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