You can similarly ban code written using IntelliJ IDEA and accept only code written using vim or VS Code, but you wouldn't even know if it was written in IDEA or VSCode.
Saner guideline would be:
* before submitting your LLM generated code, review your code
* respect yours and our time
* if LLM spit out 1k line of code, its on you to split it and make it manageable for us to review, because humans review this code
* if we find that you used LLM but wasn't respectful to our community by not following above, please f.... off from our community, and we will ban you
* submitting PR using solely automated PR slop generators will be banned forever