Gab moved to Mastodon servers recently, leading Mastodon admins and developers struggling with the question whether to ban Gab.

There shouldn’t be any struggle. Free speech includes the right – even obligation – of the owners of platforms to block speech they find hateful. That’s a particularly easy decision for Mastodon, which is not Facebook- or Twitter-scale.

Adit Robertson on The Verge: How the biggest decentralized social network is dealing with its Nazi problem