Jesus said about baptisms in Matthew 28, “Therefore, go and make disciples of all the nations, baptizing them in the name of the Father and the Son and the Holy Spirit.”
Con: What?!
Nim: The preacher pushes people in the water from the highest-dive at a swimming pool! They get to accept Jesus and conquer their fear simultaneously!
("You're saved!" "Aaaa!")
Con: What about churches that baptize babies?
Nim: Two words: water wings!
Con: This is a really bad idea.
Nim: Pish-posh! Hurry up and get me a patent attorney on the phone!