[bittwiddle]

While great for a personal Whatsapp, this kind of defeats the point of using it for a business.

[thisissomething]

I believe he meant that you (personal account) can use this feature to protect yourself from scam companies using Whatsapp Business to "cold call" you

[HeyLaughingBoy]

Not really. Many businesses have a fixed set of customers that changes very infrequently. e.g., many wholesalers may only have a small handful of customers that they sell to.