Steve is Norman Bates 2.0
Vanessa did what she had to do, get him to throw the Veto.
But she better run fast and far, before she ends up mummified, in a rocking chair at Steve's lonely motel. LOL
Mother issues aside, I can't remember seeing anyone quite so pathetic as Steve. Plenty of fools, plenty of terrible players, making terrible moves. He knew what he had to do. He knew what was in his interest to do. But still did as Vanessa (mommy) told him anyway.
He is a sad and pitiful case indeed.