I did not add the query string to the system token--Marketing did. Marketing came to me to troubleshoot why the link wasn't working. My post was to help out anyone else who doesn't...
We found out the hard way that if you put a query string on the end of the system token like...<a href="{{system.unsubscribeLink}}?s=yourmom" class="mktNoTrack">unsubscribe</a>...t...