In other words, I can successfully install things like a windows user, I just have to go the extra step to open the file’s properties and make it executable with the GUI first.
Some programs can be installed this way, but it’s extremely far from universal.
Config files can be edited in the GUI text editor
Not without opening them as root, which in every distro I know of, requires the terminal.
To test my claim and prove your third point, this link is the repository for a samba GUI