And then it didn't work again (consistently didn't mark as read no matter how many times I repeated events) when I F5'd MW to refresh the index after a period of inactivity, I loaded another different MW page and went back to try it again, and it worked.
I guess that's what I kept running into before. I have no idea what the issue is.
I guess that's what I kept running into before. I have no idea what the issue is.