Also, sometimes it seems “hacker” in Hacker News has been lost and replaced with corporate group think consensus, here.
There's a talk by DRH at the Tcl 2019 Conference regarding Wapp [0].
[0] https://youtu.be/Aq4NI5NTUpU time code 1:49:34
At that time, a few lucky folks made way too much money using weird languages for the fledgling commercial internet.
But frankly it was about 10 years ago (and the program in question was ancient even back then) and I don't really remember much, and if it was a fault of Tcl, Tk, or the actual program.
Unfortunately, people often encounter Tcl in situations where there's nobody to explain it to them, so they learn it the wrong way.
...this is the web, a completely different and totally unrelated beast.
The web is a different beast from that too.
Some other screen shots: http://aejaks.sourceforge.net/Screen_Shots/index.html
This was made with the Java based Echo toolkit, and the Jtcl interpreter (Tcl implemented in Java.)