APY,
Possibly, the moderator on duty is scared of copyright issues, although I see no problem since the PDF of the brochure has been made publicly available (I’ve just copied, reformatted, and pasted).
It’s clear to me, from the words of Chaza”l, that a yarei shomayim is supposed to impose gedarim on himself to avoid sin, and not merely rely on his yiras shomayim.