I like Cyrpto Bobby and David Hay. They both appear to be not selling anything and have a real passion for the the Crypto movement. If anything they try to debunk some of the fraud sites out there and want people to aware. Really good for people new to crpytocurrency. See links below:

Crypto Bobby:
https://www.youtube.com/channel/UCt_oM56Ui0BCCgi0Yc-Wh3Q

David Hay:
https://www.youtube.com/channel/UCw6fLrKYh0IelO6OJuF2Jiw