True but I'm sure that all distro's inherit a certain amount of old and not used by most users packages.
As am sure there is much in base that has never been used and never removed in a decade or more.
Then there are many lower level tools that many don't care or even are aware of.
For me last update noticed one package mkvtoolnix-cli and is over 16mb in size.
I don't need cli based tools for mkv files. Cups is over 11mb and doesn't include the installed filters another 2.3mb. I could go on but all those unused packages can easily add 100mb-200mb of unnecessary time to update system. Not all have High Speed Internet. And a boon also for older systems with smaller hardrives.
And protect myself with backing up partitions before doing major hacking removal operations.
And also to desktop ram savings as only have 4gb of ram. Default Netrunner use to be 725mb to desktop.
trimmed that down to 425mb so that IS quite significant in savings.