Ulfric is being used by the Second Aldmeri Dominion since the banning of Talos worship.
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The Aldmeri aren't evil. Maybe the way they act sometimes, but that's what everyone is doing. They are just heavily demonised.
They fought against the Dragonborn because of the prophecy - and not because he is the Dragonborn. Also, they are really trying to help all other races, they want to create a new Merethic Era.
Almost all advanced civilization aspects in Tamriel are influenced by what the Aldmer and Altmer created.