Some of Galileo's critics argued that at least some of his observations were artifacts of the instrument he was using (the telescope) and even cited experimental evidence in their critiques (such as looking at objects that could be seen with the naked eye as well as through the telescope and observing anomalies like duplication or "halos" through the latter). This is simply standard scientific criticism, not religious nay saying. So, even if the quote is accurate it wasn't necessarily representative of his critics.

The Jesuits of the Collegio Romano that were sent to meet with Galileo verified his observations by using his telescope, but disagreed with his interpretation of them. Therefore, it seems very unlikely that the quote is accurate.

Probably, the quote is a kind of bullshit.