I couldn't possibly disagree more. Voice comms are _hideously_ inefficient and limited compared to chats and virtually always an inferior option in a group context, in a professional context, and especially for a professional team. They always interrupt one person, and every additional person involved is a decision about how much more time and attention to take and how many more interruptions to make balanced against who to leave out of communication. They are slower for groups over around 4 people, they are more likely to produce misunderstandings, more likely to omit details. They make it harder to refer back to things, they leave less of a window for people to gather their thoughts and word things clearly. They are far more likely to be rushed through because the communication is fully synchronous. They cannot divert into simultaneous side conversations. I struggle to think of situations where I'd rather have a voice call than a text conversation.

If a potential employer told me they relied on VoIP phones over Slack/Discord I would consider that a _major_ point against them.