Ethereum is linked to the biggest companies and individuals in the world. Ethereum also received a $100,000 fellowship from PayPal co-founder and venture capitalist Peter Thiel a while ago when the Ethereum founder Vitalik Buterin won a World Technology Network Award.
This video from Press for truth gives a more inside information about Ethereum that many people doesn't take time to consider. Maybe this will change the opinions of the people mistrusting the cryptocurrency.