Most concerns come from tech-illiterate communities such as from centralized onecoin or ethereum scammers where no innovation happens. They are not used to concepts like blockchains and decentralization.

https://steemit.com/eos/@cob/shedding-some-light-on-the-eos-token-purchase-agreement

https://steemit.com/eos/@tolkatore/all-eos-scam-signals-dispelled-in-one-bite-sized-video

Even the dev who literally stole money via unpopular hard fork, Vitalik, made comments with almost no understanding of the tech he was talking about as expected.

https://steemit.com/eos/@dan/response-to-vitalik-buterin-on-eos

https://steemit.com/eos/@dan/reponse-to-vitalik-s-written-remarks

They aren't used to ICO's designed to avoid centralized distribution or that block.one will not launch the chain themselves bc it's supposed to be decentralized or that token distribution might be used for several chains: http://imgur.com/a/7lx34