Email is trivally archived by everyone, and people say stupid things that can be data mined later to demonstrate intent.
Look at social media brigading when the mob decides someone is "bad". Some evidence that <target> hates kittens will be found in an email from 2005. That happens in the office too, except it's done by attorneys instead of internet randos.
Look at social media brigading when the mob decides someone is "bad". Some evidence that <target> hates kittens will be found in an email from 2005. That happens in the office too, except it's done by attorneys instead of internet randos.