[robryan]

You are right it is far from perfect, it is pragmatic and providing a great amount of value for people/ businesses. It is surprising to me that we haven't seen a big challenger trying to do it right from a back end perspective.

[jacques_chester]

Because users don't care about the backend. They care about the shiny features, look-and-feel and the availability of plugins and themes.

Wordpress delivers these in spades.