If there was a way to profit from the data that was more than the ransom, wouldn't they just do that instead of asking for a ransome. Or do both i suppose, jus

If there was a way to profit from the data that was more than the ransom, wouldn't they just do that instead of asking for a ransome. Or do both i suppose, just because someone pays a ransome there is no garuntee the hacker destroys the data.