Yes, that's a great advantage of some other distributions. Things that work out of the box usually come with disadvantages as well, as I'm sure you've realized. "Messing" with crap is fun! Plus, that's how some people want their operating system to be. They want to build it from the ground up, so to speak.
I'm not trying to convince you to use Slackware (because I realize that it's not for everyone), but I do want to point out some of the advantages that you've probably already recognized.