Just because these capabilities exist doesn’t mean they exist broadly. They may have a few apps in their network that had a reason for the user to provide micro

Just because these capabilities exist doesn’t mean they exist broadly. They may have a few apps in their network that had a reason for the user to provide microphone access and then they exploit it for this. But it’s likely relatively obscure apps that aren’t well scrutinized. They might be able to target hundreds of users with it, and play up the “modern” approach and then do some lookalike thing to pad the audience into something that appears more effective to the customer.