First, until now, I had never heard of flavors. That said, I find about.me VERY simple and easy to use. I even upgraded to using my own domain. I create websites for other people but for me, I wanted simple and fast. What you list as about.me drawbacks are precisely why I like it. Cheers! :)
More features - free of charge.
I can add all my personal links for free and have the most important sites as plugin showcased on the site itself.
nicer for me
Cause, the about makes it sound more personal