WhatsApp is actually more popular than Slack, isn’t it? In my country, almost everyone uses Slack, and I’ve hardly ever heard of any companies using WhatsApp, so that was surprising to me.
WhatsApp vs Slack + Teams is a bit of an apples to oranges comparison though.
I had a look at getting same agent up in WhatsApp but it seems to need FB business acc to even start process, to get FB business you need an FB personal etc. ... looked like too much effort