alt Hacker NewsProblem is, the way economic activity is organised in general, there is no transition path from complex bloated systems to well designed completely human auditable systems. For example given the inherent (and proven) security risks of the Wordpress ecosystem, nobody should run WP anymore.
I'd hazard a guess 90% of WP instances could be replaced by static site generator + some tiny app to handle forms, and the 9/10th of remaining ones with static gen + form + some external commenting system, whether in cloud or something like commento.