The voices in your head don't really help when making a coherent argument.
Besides, as has been pointed out, their actions in cleaning up the mess isn't really all that consequential when they were criminally negligent in the first place in causing that mess. One doesn't get excused from criminally negligent behavior simply by offering to, and carrying through on, cleaning up the results.
Anymore than paying for funeral expenses excuses one from the consequences of negligent homicide.