From Carpentry to Concordia

In John Flavel’s The Mystery of Providence he makes mention of a man named James Andreas. He was called out of carpentry into the service to the church of God. A little more information is given to us here:
Text not available
Universal Pronouncing Dictionary of Biography and Mythology By Joseph Thomas

Do you find it strange that Flavel included the story of a man that was polemical towards Calvinists?