It’s like the poster is actually a Catholic-bashing agent provocateur. Vitriol to the point of mental illness is far more likely to originate from fringe groups or those who fancy themselves prophets.
Click the link on the original post. The newbie simply copies and pastes from a 19th century Catholic catechism.
You, otoh, have violated the RF rule about personal attack.
Or else is just acting natural, and showing us what the underlying attitudes really are. (but then I repeat myself?)