Caitlin, Ecko does not hate you, he is testing you, asserting his independence, what we have been telling others here when they act the same way. I noticed in the video you were going in to him slowly to have him step up, don't hesitate, just do it, if he goes to bite ball your hand up into a fist and offer the back of your hand.
Robin had a good suggestion to get him back into his cage but the main thing here is to be consistent, I think once he finds out you are not backing down and you are not afraid of him he will be fine.
Don't take it personally, you have lots of company.