Not so recently, I've been looking at some live videos of exo and SHINee, and I came across 'Why so serious' by SHINee, but sang by 5 members of exo (D.O, Sehun, Luhan, Lay, Baekhyun). It was really awesome and I looked through the flagged comments (cuz they are always fun to look at when your bored) and found quite debateable ones.

The most frequent one were:
- Exo/ SHINee did a better job

Well, the youtube comments were beginning to become a world war 3 (exotics VS shawols), so funny.... But think about it, they are in the same entertainment company, so I dont see why exo cant sing SHINee's songs. Its not like exo made fun of them anyways. Both exo and SHINee sang the song well so problem solved.

Capiche? 
Good, now I will once again return digging a hole.