Let's look at it another way. Ban all hate groups, or don't ban any of them. However, don't pick and choose.
I don't agree with Neo Nazis. I hold Neo Nazis with the same contempt that I hold feminists. Why not apply the policy for all hate groups?
For example, in Australia we refuse to acknowledge the approximately 25% of violence and abuse by females within the household. The worst case statistic is NSW ("Twice as many female victims (19,488) as male victims (9,261) in New South Wales."). Not one of these victims is given a voice!
http://www.abs.gov.au/ausstats/abs@.nsf/Lookup/by%20Subject/...
Also check
http://www.oneinthree.com.au/
You will see that men who are victims of domestic violence are turned away from support groups. This doesn't surprise me as there is an aggressive campaign to ignore male victims from media, government and community support groups.
I conducted a Google search from 2015 to determine that 100% of references in the Australian media stated that domestic violence was a "male only" behaviour and the only victims represented were female. I checked over 2000 references! In other words, 2000 of 2000 references represented one gender with relation to violence.
If you listen to Cassie Jaye (the feminist who created the documentary The Red Pill), she says that feminists in media refuse to acknowledge male victims because it will take money away from female victims. In other words, if you are a boy or a man who is beaten or abused, feminists insist males get no representation or support. It's almost a complete media kibosh throughout the western world.
https://www.youtube.com/watch?v=itSTzV29bS0
So, why is Twitter not banning prominent feminists?
or, why isn't Twitter banning all media outlets who support such hateful messages that insist that some victims of violence should be ignored? This is a fundamental breach of human rights! You can't get much worse!
Check media references for an absence of any of the following,
80% of suicide victims are male
25% of domestic violence is by a female
90% of incarceration is male
You will also notice that Cassie Jaye said she was suppressed by feminists. Cassie also said that she was advised by feminists not to represent any issues that impact men. This would explain the media suppression across all western countries.
If you're going to ban a hate group, why not include feminism. It's certainly one of the biggest and most active groups today and actively violates human rights. I've given plenty of pointers in this single post alone to build evidence.
There is almost universal silence from the overwhelming majority of feminists on this topic. It's a sad indictement of the overwhelming majority of the feminist movement. Check media, documentaries from 2016, support groups, even discussion forums. The message is consistent and it consistently breaches human rights.
So, should Twitter ban hate groups? If you really must silence hate groups, then ban them all. And like you, I dislike spending so much of my time fighting hate groups like feminism because there is no impartiality on the topic. How extreme do you need to get before people will speak up?