It’s very nice to not have a dozen different versions of the same distro to parse through and figure out that are simply the same distro with a different DE. Moreover, very few of them offer this many options.
Cachy could be doing a better job explaining what the user is looking at here and who each of these is for. Pretty easy to sum up in 1-2 sentences…
It’s probably easier to maintain clean and dedicated distribution packages rather than putting everything into one giant pile. I’m not a maintainer, but I imagine this is similar to coding.