The true downside might simply be that, although the content is identical, folks learn dev articles proactively, whereas going to web sites like mdn specifically to look things up as they want them, so even just copying the same info into a platform like dev may help by bringing it to people's attention. Aside from that, dev just seems to lack a strong idea for selling creativity and expertise above repetitive content, so when individuals do write a short submit about some cool thing they're doing, it often just disappears within the sea of listicles and newbie tutorials. I doubt a 26 years previous that has not been grown up in a toxic atmosphere would all of a sudden begin to put up copy-pasted stuff and insulting folks