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Yes 
Warned the Galactics have we, shown them how to kill you before take over.
You won't be taking over any planets any time soon.
You will try of course, but then you will find that none of you take, all of you die.
The next planet you'll have a really good chance with is...
SURPRISE!
Ours.
Where you come to apologise.
Bring gifts for the Gods
Thank us for our lessons..
Etc etc.
But that's WAY in the future.
WAY WAY WAY in the future.
You have a reckoning, a thousand year war, and all sorts to get over first.
All because of your actions here.