Thought about this amids all the complaints of greenos betraying, and how “its guaranteed”. So i thought of a trade off where you somewhat “remove” greenos betraying the marines, or atleast one of them.
And heres the idea. A researcher can inject themselves with ciphering 2 and Hyperthrotteling (just a placeholder), and they semi transfrom allowing them to become and be percieved as the Corrupted Xenomorphs queen. It should be used with a one off item you get in research in a safe somewhere, like a genome rewriter or something in universe. But this would make the enitre hive work under said human, which they can never betray, nor harm in any way.
Now the obvious downside is that you would lose all the normal queen abilities, like screech, spit, infinite eggs, a starting builder, pheros, and leaders.
One thing i would note on the mutated human side, is that they would go under restrictions. Example being their head becomes too big to have a helmet over it, their bodies become generally more fragile and using guns with too much recoil (any non-pistol) could harm their more fragile selves.