I believe they believe they have a solution however based on what is publicly available I don't believe they are correct.
They are most likely not sure if they are correct
and want to recruit you to their cause (not saying
that's bad or good)...
but if they were confident in their solution, they
would release it.
It is also possible that certain Nxt insiders know that they don't have a solution, and simply want to delay the day of reckoning as long as possible in order to maximize the amount of pre-mine they can convert to bitcoin.
Yeah right. That's why Come from beyond wants to reach out to D&T to explain things and show him some code. Logical conclusion, genius.