Politics have consequences. When elected politicians vote to arms ongoing genocide, people die. When elected politicians vote to deny people healthcare, people die. Politics and its consequences is inherently violent. 
. If you want nonviolence take up rattan basket weaving
I used to be more sympathetic to the concept until I studied more of the history of countries outside the imperial core, which disavowed me of any notions of “the good guys always win,” or that violence towards nonviolent movements always results in public support.