Payment for services rendered aside, not only did they not pay for what medical support Joachim and Handy needed after their glorious escapades beneath the earth resulted in doing exactly as the job description required, that of evicting the diamond dogs from the mine, they would’ve charged them for the gross economic loss of the mine itself. Or they would have if the angry families of the rescued miners didn’t threatened less than friendly action had they tried something like that. I mean, if you hired random adventurers to evict a dangerous gang of brigands from your mine, and you’re surprised that said mine became irrevocably destroyed, you only have yourself to blame really.