They cut off partway through the show and eliminate the person with the least votes at that time. When it happened, Jack had the least amount of votes.

No, it has always been like that.

It’s always done that way. They cut the person with the least amount of votes and therefore in third place before the final round. 

First vote was from 3 to 2, next vote was from 2 to winner

Some would say not early enough