Focused Inbox vs Clutter (more junk in my primary inbox)

This is what we were concerned about, Focused Inbox rolling out before the Office client update is released.   Microsoft didn't see this as a big problem at the time:

"So if you do that before the release on Windows desktop, you will then see emails that previously went to Clutter going to your inbox. We don't expect many users will go that route, since the numbers of people who move between Web/Windows/Mac is very small." 

Can you turn off FI and go back to Clutter for the time being, does it work that way? From a previous thread - 

Steps to re-enable Clutter (for admin)

As an Office 365 admin, you can re-enable Clutter using Exchange PowerShell. Once this is done, Focused Inbox will be turned off and Clutter will be active again.

Turn Clutter on using Exchange PowerShell

1. You can enable Clutter manually for a mailbox by running the http://go.microsoft.com/fwlink/?LinkID=834446 cmdlet. You can also view Clutter settings for mailboxes in your organization by running the http://go.microsoft.com/fwlink/?LinkID=834759 cmdlet.
2. Example: Turn on Clutter for a single user named Allie Bellew:   Set-Clutter -Identity “Allie Bellew” -Enable $true