Imagine that...

No, no, don't ban UI mods or third-party tools because they have no inherent detriment on the game beyond people skills.

Proceeds to point stick in direction of something that is an entirely consensual agreement between two parties behind private doors -- and needs I might add people doing it publicly already do get warnings and suspensions. Whilst subsequently ignore aspects of cheating, hacking and modding that have arguably impacted the game in more ways than any of these could hope to achieve.