@tobi @stux from a legal perspective, the traditional response is "we refer you to Arkell v Pressdram, 1971" -which then requires any unfamiliar with that precedent to look it up before discovering the response is "fuck off"
https://proftomcrick.com/2014/04/29/arkell-v-pressdram-1971/
@stevel @tobi @stux Another good one is a letter from Cleveland Stadium Corp to Dale O. Cox replying to a legal threat made from fans throwing paper planes in the stadium: