Quotes that start new topic do not work

[cpradio]

This feels related to

Quote button on closed topics still does not behave as expected

Continuing the discussion from Quote post from closed topic: I was trying to reply using selecting text and pressing the quote button, but the selected text was not appearing in the editor. Turns out the topic was closed and I was creating a new topic. I found a few other threads about this and they all suggest that everything is working as expected now, but I am still puzzled why I get a quote button that does not actually quote the selected text…