No look first I wanna say that I'm not a huge Daryl fan, but do like him. So this opinion is not bias towards him in any way.
There has been much debate lately that both Daryl and Dwight both can survive after all out war. However I think that is ridiculous. Sure they have similar characteristics, but they are each their own. A lot of people also like to say Daryl is a copy of Dwight, and to that I say you are wrong.
Daryl was brought to the show as an original character in season 1 which premiered in 2010. Dwight wasn't introduced to the comics until 2012, so if you think about it Dwight would be a copy of Daryl. Maybe Kirkman has been planning on having both of them on the show.