Some people just do things for money. They received advertising fees on January 11th and couldn't stop bragging. Now that there's no money coming in, they can't stop criticizing. The copy from Shenma Yan Chi and Ai Shu's group is all the same.
At least back then, they were still your financial backers, right? Could it be that they took a higher competitor's black advertisement?
If I were in charge of a project, I would blacklist these kinds of treacherous backstabbers, never hire them for promotion and distribution, and share the blacklist with other project parties.