From the Cloudflare blog post, this quote from Kenton Varda (head of Workers):

> "Lock-in" actually hurts us — that's why we went open source If there were truly no escape hatch from Workers, then some of our largest customers would never have signed on with us in the first place.

> [...]

> Ryan and Bert will be leading a new effort to make workerd self-hosting a first-class supported way to build and run apps using the Workers programming model. This will involve merging code and ideas from celld back into workerd. I'm incredibly excited for this work — I will personally be using it to host an instance of Cloudflare OS in my home.