How arrogant do you have to be to know a civil suit on anticompetion is inbound, and still email about plans to stifle it? A long time ago a mentor said “never

How arrogant do you have to be to know a civil suit on anticompetion is inbound, and still email about plans to stifle it? A long time ago a mentor said “never put anything in email that you don’t want to show up in a court of law” and that’s always stuck. But how monumentally dumb/ arrogant do you to be to not realize these emails and docs would show up in discovery?