That's the problem. When you hit enter you have left incremental search. In emacs you can refine the search string without leaving. Ctrl+s and Ctrl+r goes prev/next and you can simultaneously refine the search string (by typing any other char) without leaving incremental search. Given how important search is (for a programmer) this alone is worth the price of entry. But there are many more things.
That's the problem. When you hit enter you have left incremental search. In emacs you can refine the search string without leaving. Ctrl+s and Ctrl+r goes prev/next and you can simultaneously refine the search string (by typing any other char) without leaving incremental search. Given how important search is (for a programmer) this alone is worth the price of entry. But there are many more things.