Maybe threats, but the further the radical push on defining down "threat" to be "anything we don't like", none. John Milton was completely correct when writing "Besides another inconvenience, if learned men be the first receivers out of books & dispredders both of vice and error, how shall the licencers themselves be confided in, unlesse we can conferr upon them, or they assume to themselves above all others in the Land, the grace of infallibility, and uncorruptednesse?"