Yes and in those details there are countless jokes and reaffirmations of it being an april fools:
"Outstanding and proven record anti-cheat with frequent updates, optimizations, anti-spamming detection systems and shadow punishment systems ensuring that being a cheater never pays off."
"Warmane has left its mark of purity"
"most complete Burning Crusade realm in the world"
"player amounts similar to Icecrown"
"collision calculations"
"Fully working spells, mechanics"
"perfecting it"
"years of development"
"x5 experience rate.
All other rates will be x1."