Lagre companies are paying for O365 because you have to have office. Then why should they spend another $100-300/year/user for a tool that on paper does what t

Lagre companies are paying for O365 because you have to have office. Then why should they spend another $100-300/year/user for a tool that on paper does what things like Slack does. I'd expect zoom to go the same way in the next 12-18 months too.