There are thousands of articles on the classical command line tools grep, awk etc. With a subject "Linux Productivity Tools" I think this was both on topic and valuable.
+1 I find the discussion here more appropriate to the "Linux Productivity Tools" title than the original article.
Re:Linux Productivity Tools (2019) [pdf]
by mud_dauber on Tuesday May 19, 2020 @04:20PM
(#23239674)
Seconded.
But TFA focused on fundamental command line tools and shells, not office productivity apps.