There's no rule preventing people helping with any DCC problems. The rule is not to help with issues clearly relating to illegal filesharing and to a lesser extent mass filesharing in general.

As far as war scripts goes, I don't know of any written rule, but I think it's generally accepted that it would come under common sense. War scripts and "IRC wars" in general have caused a lot of problems both on a channel level and for entire IRC servers and networks in the past. I don't think it takes a great deal of understanding to figure out why people aren't too happy with people posting scripts to that end on this forum.

Spelling mistakes, grammatical errors, and stupid comments are intentional.