Richard doesnt like what people say about HEX here on bitcointalk so he decided to buy that support with money. Hhampuz just started Hex signature campaign and many others are joining the campaign. Some of them even said in this topic that Hex is ponzi, but when they saw payrate and who is managing it, they changed their mind. What is next, BSV signature campaign? 
I don't think "support" or changing people's mind is what the HEX people want to achieve here at all. I think they just want to potentially try to convince a small number of people that they could potentially convince to their scheme. That, or just for backlinks and clicks for their links.