Has it always been against TOS to discuss *exploits* in online comp games?

https://gamefaqs.gamespot.com/moderation

Other Issues
In addition, users may not post any content that:

Discusses how to cheat, exploit, or otherwise violate the rules of competitive online games

For example, would it have been against TOS to discuss launching stickybombs into the other team's spawn through poorly coded door collision boxes in TF2 before that was patched out?

Rules say they were last updated April 26