Your friend is not a Hanafi so he should not be telling Hanafis that the way they pray is wrong.
If you're really interested in finding out the Hanafi perspective, read this book: http://attahawi.files.wordpress.com/...-al-yadayn.pdf Or you may watch this video for a little less detailed reasoning: http://www.youtube.com/watch?v=yF_-t...layer_embedded