I didn't realize that was a very controversial paper.
If the timelines are correct though, that wouldn't have been offending rms yet:
> rms: That was not the end of the GNU projects involved with Lisp. Later on around 1995, we were looking into starting a graphical desktop project. [...]
>
> At the time, TCL was being pushed heavily for this purpose. I had a very low opinion of TCL...
--
JOs paper appears to be published 1998, 3 years later, citing papers from 1996.
If the timelines are correct though, that wouldn't have been offending rms yet:
> rms: That was not the end of the GNU projects involved with Lisp. Later on around 1995, we were looking into starting a graphical desktop project. [...]
>
> At the time, TCL was being pushed heavily for this purpose. I had a very low opinion of TCL...
--
JOs paper appears to be published 1998, 3 years later, citing papers from 1996.
[edit: formatting]