It does but each comment adds 400k emails to the queue before you, so all of the comments that happened before you unsubscribed are already queued. I unsubscribed and it did eventually stop.
I was sleeping and the constant new mails notification woke me. By then it was too late to unsubscribe as the topics was already locked, but I was only on like 60-70th mails.
You should really change your settings so random emails don't ring out at night.