Board Thread:Questions and Answers/@comment-33142536-20171014185054/@comment-32931283-20171014190441

not really,  as stated before many MLP villains have attempted (implied) omnicide, including Nightmare Moon herself (confirmed that had her "night that never ends" worked it would of killed off Equestria).

MS is not really that different from many other MLP Big Bads over the years.