That said, I blame the new UX for suggesting these buttons should mute. We've had behaviorally equivalent indicators for years, and no-one confused about how they work. They help users locate the tab that's capturing.
Bug 1643027 Comment 9 Edit History
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That said, I blame the new UX for suggesting these buttons should mute. We've had behaviorally equivalent indicators for years, and no reported confusion over how they work. They help users locate the tab that's capturing.