I'd imagine they probably want to collect a good sample of data from their prospective customers to ensure it works across a broad range of businesses before go

I'd imagine they probably want to collect a good sample of data from their prospective customers to ensure it works across a broad range of businesses before going fully automated. They could do this by going round loads of small businesses and asking for call recordings to test against, but launching with a manual offering first to collect the data seems so much easier.