> The problem has been, there’s no incorporation of the Slack culture into the Salesforce culture, and unless there is some element of that, then it’s not integration in any sense. It’s just the elimination.

Considering that the CEO is pushing for "back to the office" mentality and against remote work, I'd say it's pretty clear that this is just elimination of Slack. Slack is a key tool in remote work, it basically stands against what they're pushing for.