Dominik Mysterio's hate and betrayal are justifiable for Rey Mysterio, who decided to sideline his son's emotions, leaving ...

However, Rey Mysterio knew that his son being under him was exerting undue pressure on Dominik and wasn’t allowing him to grow. And thereby, when Dominik turned heel and feuded with his father ...

Now, with retirement on the horizon, Rey is turning his attention to his son, Dominik Mysterio, who is making impressive ...

and this is how the attack on Mysterio might have been planned. The masked man could have also acted on the instructions of Rey's son, Dominik Mysterio. Dom's hatred for his father is hidden from one.