Because of their presence, yes.
The points are countered by the fact that as allegedly good people (they aren’t) they had a duty to prepare the planet for what they had done to it. This isn’t even touching on that they knew their Naaru was consuming orc souls and did nothing about it.
“No one’s ever won, so you natives can kick rocks. btw forget your name for OUR planet, it’s Draenor now.”
And potential access to the ogre empire, who also used crystals.
I don’t have an argument for this. I don’t remember fuel ever being mentioned. I don’t even know what they use for fuel: do you?
No they didn’t. They specifically had two hundred years of peaceful trade with orcs, save for one specific orc tribe.