He’s not looking for power, he’s looking to keep the status quo.

As far as I can understand, something in our genetic makeup allows us to withstand the effects of the current pandemic. Even allows us to survive in the harshest of climates with little to no sustenance for days, even a week at the most. 

I think Crae would sooner see all the Xindi races perish before cow-towing to the Ferengi, I am not foolish enough to even suggest it to Crae.