While it's hard to convey "this is 100% not a scam" without sounding suspicious, in the example of this article they tried to get it across at the very start. I

While it's hard to convey "this is 100% not a scam" without sounding suspicious, in the example of this article they tried to get it across at the very start. It's on the CEO for becoming hostile to someone who asked for nothing in return and wasn't making any threat.