Will convinced everyone to vote the way he wanted because he convinced them that kicking out player x was in their best interests.No matter how they vote now, it won't affect their own stake. They will also be aware that Boogie is Will's team mate. They probably even know that Will is the only one who has any personal interest in Boogie winning, since they will share the money.
There's no alliances or floaters to have secret conversations against. About all he can do is try to convince each member that Boogie is a better player than Janelle, when everyone knew Will did all the conniving and playing of people, and Janelle won more comps than anyone else.
So no, I doubt if Will could convince the rest of the jury to vote for Boogie over Janelle. I especially doubt that he could convince Howie.
Will spent the entire season in attempting to get people to work against others. It didn't happen within a few days.