This seems to be a common issue in various less thoroughly tested parts of the Stack Exchange code base. For example, it also happens in the 10k flag review for any posts hidden behing the "show already flagged posts" link.
The fundamental cause of this bug is a combination of the following issues:
When the duplicate tabs (and various other hidden-by-...
The first rule of rudeness is: don't engage. Flag and move on.
(The second rule of rudeness is “Jump to rule 1”.)
“Asker is rude to people trying to help him” is not an appropriate close reason. The free-form close reasons under “off-topic” are not a place to write random comments — there's the comment facility for that. The free-form close ...
There are some useful guidelines that can help you decide whether a question should be closed.
Anything that is clearly offtopic or incomprehensible should be closed immediately.
Bad-subjective questions have no place on any SE site. Refer users to Chat for discussion.
Many (bad) basic questions can be closed as duplicate of one of our reference questions (...
I suggest keeping the close vote requirement (stuff gets closed quickly anyway) but lowering the open vote requirement since there is usually less interest in questions that have been closed, and this makes it hard to reopen prematurely closed questions.
No. Not unless we specifically ask for it.
If you would like to see the close/open threshold reduced to 3, it is my understanding that Stack Exchange is willing to try it out here if there is a strong agreement here in favor of that. But, we have to go through the process.
So, if you'd like to see that happen, start a new question, ask whether the ...