Yes, there is truly no guarantee that any effort towards taming a roo will work. Sometimes even the best efforts won't make any difference and if there is any risk of a injury/aggression to a child, forget it. It's never worth losing an eye or having permanent scars.
That video just made me...
Any type of rooster can be/turn aggressive and it sounds like yours is testing you out.
If you want a quick fix, fix him up for dinner or otherwise get rid of him.
If you're willing to put in a little effort to see if you can change his behavior towards you, then there are a few things to...