>if there is no payout the bad actors will give up the attack
I'd argue that isn't true. Ransomware is a form of terror in the form of "losing everything". And that threat of impending loss combined with 'backups are hard wahhhh' and the fact that no Corp I know backs up user machines...
As a numbers game, it pays. Well. And even if it didn't, some still hack for the "lulz".