The Free Software Foundation and the GNU project have had an enormous impact on people's lives. We all owe a significant debt of gratitude to the many people who have worked on FSF/Gnu products. Even more significant is the ethos involved. Where would we be today were it not for the free software community.
Indeed. GNU is way more than Linux. GNU Parallel, the ubiquitous GNU Make (did you know ":=" is a GMU extension?), GNU versions of Grep and Sed that have some really nice quality of life options, and the GPL which for better or worse has "infected" a lot of really important software. That said, it's a shame that GNOME, Gtk, and Glibc are evidently not the best (I use none of them but I have read many complaints). Lot…
> Lots of other old, weird, and/or semi-abandoned projects too like Taler, ...
GNU Taler is none of these things.
> And where does this "everything but the kitchen sink" mentality come from with respect to options and configuration in GNU programs?
Did you know that GNU Emacs had an overflowing kitchen sink as its logo for a while? (I still prefer that logo over the current logo, actually.)