Kinda not really.
They are part of the new trend in the rumor game where they don't "Trust but Verify". As soon as they get a piece of intel, they put it out to the universe. Last year, amongst other things, they bet their rep on Nope coming to Halloween Horror Nights Orlando. Obviously, that didn't happen.
Nightmares may not hit it 100%, especially in initial versions, but I know they go through a process to make sure it's as right as possible.