The moment there was an alternate conference in the same town on the same weekend announced by the objectors it became about a balance of resources and attendees. Those who are organizing, presenting, and attending Moonconf have every reason to badmouth anyone associated with LambdaConf.

Here's one of the early objectors citing a presenter who has openly and thoughtfully struggled with attending LambdaConf: https://twitter.com/swannodette/status/714851217512513536

Here's an early Storify story of reactions to allowing Yarvin to speak - you will find that the most vocal objectors have continued to bash and badmouth anyone associated with LambdaConf: https://storify.com/adngyipa/lambdaconf-debate-in-tweets