No but they want to get a reputation that paying them makes the problem go away. With that reputation, more people will pay instead of thinking it's a waste of money as the data are gone one way or another.
I saw a youtube video once of someone trying to communicate with ransomware attackers and their support was better than even some legit companies. It was funny as hell how they were so 'professional' about it
They want to ensure ransoms are paid by there being lots of sources that say they do what they say. The kneejerk reaction is to be skeptical and waste time. The only reaction is to determine if you have a backup or not, or if the consequences are favorable or not. In all of the “or nots” then you pay and move on.
In the absence of consumer protection, word of mouth (or the compulsory google results) is key.