That is terrific to see. It is nice to see different projects reaching out. While not a lot of money proportionately speaking, one new buyer is someone who might add more down the road.
As for the YouTube, you might want to hit them up with D.Tube or 3Speak instead of Steem. It is helpful to be targeted with people who are being solicited without warning.
RE: One of Our Fans Has Invested in Steem