Knowing he is into signature campaign on 2014, have knowledge on bot and where to buy some (any kind of functions), it could be possible that he used a bot at some point.
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This is not a bot to copy-paste/shitpost for signature campaign money. It's a bot that helps the managers tracking their participants and how many posts they made. Check the link he posted...
Yes, I know, I'm just stating that he knows where to find people that could have bots or know how to configure bots for him to use.