[leonardopainter]

The problems with knockout were:

very hacky syntax embedded into html. Sometimes you had to even use some kind of comment notation because there was no entry point into the html to add data properties or whatever it had.

it was slow.

the observables weren't variables you could use like plain JavaScript variables

it has the same problem as React - state-based algorithms are not very good ways to solve problems (if (showDialog && !open && ranOnce). You have to keep creating more variables to represent more states instead of using normal programming language concepts, and then all of the observables ping around and become complicated.