I can't imagine our company sticking with Slack if we are forced to start using Salesforce as well. Although I'm not really sure what we would use at that point. Teams needs the whole Office subscription and we're already on G Suite.
What are you talking about? Messaging products are so integral to Google's vision that they can't stop making them.
Google makes "messaging products" but it's just something that floats on top on top of the sea of Google stuff. Like oil on top of water.