Right now, noscript users are prevented from participating in internet debates all over the place!
Please fix that!!!
Some are, some are not.
Loading comment chains works fine here (although not in the build you mention, I don't run that).
After allowing both …disqus.com and …disquscdn.com
It shows comments just fine (I guess the 8000+ on that breitbart drat count as "large"?)
The thing with noscript in general is, there is a lot of "user error" that can be experienced, and in those cases, without actually knowing the specific settings of a user, it can't necessarily be established whether there actually IS a bug.
If reproducing behaviour fails, chances are it's the user settings and not the addons fault.
Someone above pointed out that lack of 3rd party cookies interferes (which makes sense because discuss is technically a third party on any given page that embeds it)
The basic problem is, Noscript allows you to mess with webpages. Depending on what you decide more or less. If you decide in a way that conflicts with the websites intend, it will probably not show it in an expected way.
What is "another screen", what are "xss popups" and how do you "clear them" ?
another screen : The other monitor/display device in a dual/multi display setup.
xss popup : a seperate window being created warning you of a cross site scripting call, requiring user input about how to proceed (allow/block once/always)
cross site scripting : a page calling another pages scripts, but not in the regular way properly announcing it, but acting like it is their own script.
clearing them : Making a choice, therefore stopping the pause of loading that script until you allow it (or not).
Which brings us back to settings: If you for instance generally block Xss calls, and don't have them set to "ask me", it won't ask, and thus not create a popup, thus just block the call, which might break something you want to work.
The chance is that it isn't Noscripts fault, but some setting or another that you don't know that you deny something that you want allowed.
Hard to troubleshoot without proper information, and even harder to actually establish as "bug".