Only death remained, his personal salvation. If he would appear nowadays, if to assume he can't walk on water - his words surely wouldn't be enough for people to recognize him as God. To make the Savior of Jesus, the church was necessary, which wanted his theory to strengthen its feeble, sturdy foundation. And it was necessary to have society that wanted to listen. There isn't that society today.
People watch TV, they have too many speakers all around.
Blowing your nose is as wonderful as walking on water. People consider miracle what they don't meet in their own world. If we could walk on water, we would say Jesus had had a cold. Jesus' merit was to notice the presence of a being different than man, 'cause as far the religion has worshipped man in the sky. Jesus was a philosopher with a theory.