We have this tendency to venerate people from the past. Augustine, Thomas Acquinas, Luther, Calvin, Owen, Edwards.
Snoopy was once writing a book entitled, "Did it ever occur to you that you might be wrong?"
Sure, those guys were godly men and contributed to the Church in amazing ways. But they were fallen sinners like you and me. It's very likely that they were wrong on some point. I, for one, am convinced that Owen was wrong about limited atonement.
but I could be wrong.