Positioning elements, fighting to implement the support of multiples screen resolutions, dealing with JS quarks, etc. All those topics are mastered in most native frameworks and clearly a hot topic in web dev.

Maybe broken is a little bit exaggerated, but very well deserved IMHO.

After several years in web dev _and_ mobile dev, I can safely say that even in a couple of years, native toolchains won't be relegated to a marginal role and remain the only efficient way of developing native apps.