For those that don't know how to clear for one site, in chrome go to settings>privacy and security>cookies and other site data>see all site data and permissions>select the website you want cleared and delete.
Perhaps what we need is a backup code or some kind of exportable file with all our data (subbed communities, interactions, yadda yadda) which we can port over to a new instance if necessary.
But some people might still want the 'Sync' experience first and foremost. And since Lemmy's version isn't there, this is a workaround for Reddit at least till it gets ready.
I am here now and I am sad for liftoff. It has been great. But Sync. Man.