The very next post on this blog is all about ... drum roll ... a custom framework that the moot team built, after deciding to not use any frameworks.
https://moot.it/blog/technology/riotjs-the-1kb-mvp-framework...
Sadly, this behavior is very common among those who have a hard time adopting existing libraries/frameworks. In the end, they almost always re-invent their own obscure wheel that does the same job.