>The Tau welcomed the Oldcrons onto their planet with open arms, then were promptly harvested
>The Tau took part in a "cultural exchange" with the Drukhari
>The Tau had trouble repelling a single fleet of the Death Guard and only managed it due to a literal deus ex machina
>The Tau killed a Keeper of Secrets and threw a massive feast in celebration as they thought they had killed Slaanesh itself
>The supreme leader of the Tau Empire was killed by a single (1) Imperial assassin and the empire still copes by having holograms of the guy delivering speeches