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Back and forth discussion is not suited to the Q&A format that this web site is set up for.  As far as I know, the Codidact software is not capable of a category that supports threaded discussions anyway.  Discussions also tend to have low signal to noise ratio.  The high density of quality content is why many users are here.

Another problem with your specific example is that things like lists of learning materials don't age well.  We don't allow shopping questions here for the same reason, since component purchase recommendations age quickly too.

We don't want to get into popularity contests about subjective issues, like which book is better than which other book, where there is no reasonably measurable right or wrong answer.

We do have the Papers category, which is for one-way presentation of information.  However, that is also limited to real facts, results of experiments, and the like.  Post are also intended to be somewhat scholarly, but no a rigorous as a peer-reviewed paper.  Our voting and comment systems essentially substitute for peer-reviews.

There is also Codidact chat.  I know little about it, since I'm not interested in low-content kaffeeklatches.  Others may be able to chime in here with more information about chat.