Speaking purely for myself, (curious what other people think) my preference is _always_ for the link to go to the most "principal" source. Then, in the comment

Speaking purely for myself, (curious what other people think) my preference is _always_ for the link to go to the most "principal" source. Then, in the comments, add a link to a pop news article or the comments section. I hate links to twitter posts, feels like undeserved promotion of Elon Musk. Just find what the twitter links to, or the actual research paper, and submit that. Links to reddit are okay, it's devolving, for sure, but depending on topic sometimes I find more intelligent comments there. (RARELY)