If you like, there are configurations that make vim act like conventional text editors[1][2]. To paraphrase Umberto Eco, I like vim for the same reason other people like football or pedophilia. People have their preferences[3].

[1] http://arstechnica.com/open-source/guides/2009/05/vim-made-e...

[2] http://cream.sourceforge.net/

[3] http://www.spiegel.de/international/zeitgeist/0,1518,659577,...