In defense of the somewhat technically illiterate, it appeared to me that no action was taking place. In fact, when I did what you described and closed that window, reopened another browser and went to the same thread, my post had NOT posted and did not do so for over an hour - when they all suddenly posted. So I immediately assumed the timeout indication meant nothing, and went back to edit away the dup posts. That took more than two hours to "really" post.
So I don't think it was just impatience - though admitteldy I'm not a poster child for patience

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