Of the link provided (on a skim, so I may be wrong), they seem to be all doing structural editors for specific languages, and that's where their ambitions end. That's their focus: some language. My focus is: applications. Within a power-user environment, which can't be done without a GUI toolkit, which can't be done without image-based programming.
Surely, there are some efforts which I like. Glamourous Toolkit. Not particularly about structural editing, but whatever Smalltalk stuff you take, it just tends to be interesting. Ultimately, they fail to deliver in some way, for me at least. (I comment on GT in the "All Else is Not Enough" appendix article.)
I mean, yeah, look: practical applications. First of all: usable to myself. Then: flexible enough to fit anybody else.
PS The topic article is a rant, I admit. And I rant here and then a bit in the main article, sure. But, please, don't be too quick to classify everything there as a rant, even if it stylistically looks so.
PPS I have to take at pijul again, maybe I missed something, thank you.