That and software wasn't a service, so you weren't chained to the price points and plan levels that executives decided. If Salesforce decides to force everybody

That and software wasn't a service, so you weren't chained to the price points and plan levels that executives decided. If Salesforce decides to force everybody using Slack to get Salesforce instead (which seems not unlikely), there's no recourse. We can't just say "well, we have a perpetual license, so we'll do what we want."