The real drawback might simply be that, although the content material is identical, folks learn dev articles proactively, while going to websites like mdn particularly to look things up as they want them, so even just copying the identical data into a platform like dev might assist by bringing it to folks's consideration. Other than that, dev just appears to lack a stable concept for promoting creativity and expertise above repetitive content, so when folks do write a brief submit about some cool thing they're doing, it usually simply disappears in the sea of listicles and newbie tutorials. I doubt a 26 years previous that has not been grown up in a toxic setting would suddenly start to submit copy-pasted stuff and insulting people