The accusations stand to hurt Cruz, and help Trump in the final primaries. If it turns out later it's all a hoax the damage to Cruz is already done, and it would discredit Anonymous which also works to Trump's advantage.
If you think carefully, and connect the dots on this, realize that Trump is good friends with the NE owner, you can see how this piece is just a garbage attack.
Hence the attribution to Annonymous.
It’s an attempt to take out two birds with one stone, fabrication in totality.