It isn't so much about being worthy content... this site serves a very specific topic, and venturing away from that (JavaScript) is frowned upon.
There are lots of articles and tools that get posted on Flutter, Swift, Rust, Go, Commercial Services, etc... and they tend to get removed. The fact that this is more conceptual is why I didn't remove it out of hand.
Yes, it is a JS platform and yes the blog is more about the concept. The concept is language independent. That's all I want to highlight, rest I loved his writing so I may support him but if the community wants to take it down then I have no issues!