But the new Workspace plan is still different for 5+ users: " Customers that have 5 or more End Users will receive a total amount of Google Drive storage equal

But the new Workspace plan is still different for 5+ users: " Customers that have 5 or more End Users will receive a total amount of Google Drive storage equal to 5TB times the number of End Users, with more storage available at Google's discretion upon reasonable request to Google. " Existing customers (under G-suite) may be grandfathered for an arbitrarily long time, in which case I would agree you don't need to worry.