You are hearing it's a scam because there are those who want the price to go down so they can buy some or so that people would buy into the projects they support instead. They say that about every crypto, just pick a random coin and search it against the word scam. Of course, there are real and dangerous scams out there, but let's wait for actually proof first. Who would give up the chance to expose a 500 million scam if they had evidence?