I love lightweight desktops, like this one. I just wish we could have a lightweight browser. Seems like you spin up a chrome browser and all that saving goes out the window
There are plenty of very light browsers you just have to give up on having a JS engine (which honestly can be a kind of nice way to surf, but probably not a good idea for work)
In my last job we had some memory issues with the build, many times I ended up running out of memory, trying to build the huge Java monolith that was the stupid "product" we made. Automagically, the issues were resolved to a decent extent when switching from GNOME to XFCE, in Ubuntu 24.04.
There is still some use for lightweight even in today. You make better use of your memory/resources in some application, than in something so fundamental.