No, it’s not a contradiction. Let’s look at the two statements.
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The Galileo affair remains an excellent example of the Catholic Church doing what Ken Ham does today; privileging human interpretation of Scripture over scientific evidence.
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They didn’t pursue Copernicus, and they didn’t pursue the scientists who agreed with Galileo. Heliocentrism rapidly gained acceptance in the scientific community, and was increasingly written about. But the Church didn’t pursue the scientists who did that either. They didn’t pursue Maestlin, Rothmann, Kepler, Harriott, Digges, Gilbert, Rheticus, Stevin, Castelli, Cavalieri, Zuniga, or Ward. Galileo’s persecution was the exception.
These two sentences do not contradict each other.
For all the reasons discussed at length in the literature. Galileo had political enemies (including Urban VIII), who wanted to use his scientific findings to discredit him. This was not difficult given the fact that the Catholic Church was so ready to privilege its human interpretation of Scripture over scientific evidence. They weren’t sufficiently motivated to go after other individuals, especially those outside Italy. However, they did place Copernican books on the Index Librorum Prohibitorum. This proves they still believed heliocentrism was dangerous to the faith (a theological objection), though they didn’t take steps to prosecute all heliocentrists (which quickly became impractical anyway, due to their rapidly growing numbers), or forbid further astronomical investigation.
John Paul II put it well when he said “The error of the theologians of the time, when they maintained the centrality of the Earth, was to think that our understanding of the physical world’s structure was, in some way, imposed by the literal sense of Sacred Scripture”.