What are the mechanical ramifications of the shadow's You Talk Too Much?

This is the shadow's You Talk Too Much: https://steelcompendium.io/compendium/main/Rules/Classes/Shadow/#you-talk-too-much-9-insight

Notably, the effect prevents "communication" altogether, not just verbal communication. What enemy abilities does this shut down? Does this shut down taunts, for example, or is taunting considered not particularly reliant upon communication?

Take a war dog tetrarch, for example: https://steelcompendium.io/compendium/main/Bestiary/Monsters/Monsters/War%20Dogs/Statblocks/War%20Dog%20Tetrarch/

Would You Talk Too Much shut down the taunt from the signature ability? What about Get Them, You Dolts!? What about Sneering Disregard? What about You Would Dare!?