I removed our Piwik analytics today. I never looked at them. We were masking the last three bytes (nine digits) of your IP address, so there wasn't much information to see anyway. There's no point in collecting something we don't need. If we have traffic issues, we can tell via the app.
I can't say that we won't ever have analytics again, but we'll let you know if we do.
I've updated our TOS to reflect this.