1. They are offering a job paying £25,000 a year for the winner. No, thanks.
2. Several of the not so finest minds cracked the puzzle by using Google 😀
That's of course how you crack codes today - by figuring out ways how to get the information without having to crack the code.
Might give it a try later, but don't fancy my chances.
They posted others before, MUCH easier to solve. (solving scrambled book titles, but they just used character substitution which could be easily solved if you knew/could deduce anything about character frequency). I even received a DVD and info pack from them about joining.