In the end, Tarico has provided few reasons to think we should doubt the existence of Jesus. On the contrary, each of her suggested reasons, when explored more fully, reveal that we actually have very solid reasons to believe in the existence of Jesus.
In short, the scholarly consensus on this matter exists for a reason. Scholars may disagree about a great many things regarding Jesus. But his existence is not one of them.I recommend reading the article. It isn't very long, and it is definitely worth it.
By the way, Michael has also written one of my favorite books on the canonicity of the New Testament entitled Canon Revisited: Establishing the Origins and Authority of the New Testament Books. I highly recommend it!