And people also hate "Fantastic Worlds" so they're screwed either way. We had the same arguments about Volcano Bay.
Names are a weird, because they change meaning over time.
The author of the 007 novels named the character "James Bond" because it was the dullest most boring name he could think of... now we think the name "James Bond" kicks serious ass.
"Epic Worlds" or "Fantastic Worlds" might sound stupid now, but a year after the park is open you may not think twice.