they can at the very least squelch you even if you’ve done nothing against the eula/tos. feel free to read through a couple of these threads:
https://us.forums.blizzard.com/en/wow/t/clarification-requested-for-in-game-squelchaccount-silence/1178522/31
since i suspect you don’t want to work to find out you might be wrong, here’s a specific quote from the last thread: