There are two sides in the discussion.
1. Some say we should put everything out in the open -- chapel locations, sermons, etc. and publish everything on the front page of CathInfo for all (friends, foes and in between) to see. Their watchword is, "Have no fear of the Jews".
2. Others say that there is a legitimate need for discretion, in this age of frivolous lawsuits, scattered faithful, limited resources, and only a few priests who travel to service 95% of the resistant Faithful, and attacks/propaganda of all sorts from all sides -- the SSPX, Conciliar Church, and "fringe" elements claiming to be Resistance (read: Fr. Pfeiffer's group)
Their watchword is, "Discretion is the better part of valor."
I can understand both sides, but that includes the second group. If everything and every event were published on the front page of CathInfo, what is to stop a zealous Pfeifferite, Pablo the Mexican, or Fr. Joseph Pfeiffer himself from calling up the event's location and "putting them in the picture" (as the British say) or "giving them an earful" (as the Americans say) about Bishop Williamson, especially his more controversial positions?
Or filing a frivolous lawsuit? Even a frivolous, completely unfounded lawsuit can take a lot of a priest's time and resources to fight.
Or interfering with the priest's apostolate? What if a priest is trying to acquire property and has to get clearance from a city council? What if individuals on that council are made to go against the sale, by the priests' many enemies?
Or by taking recorded/written sermons, a priest's words can be twisted to say just about anything, and serve as propaganda against them.
Remember -- for many of our enemies, "the ends justify the means". They will stop at nothing, and hold back from no means, which will advance "their cause". That includes all sorts of devious devices and maneuvers: slander, calumny, lying, spying, etc. I have seen them do this! And we're talking about so-called Traditional Catholics: SSPX, Fr. Pfeiffer's cult, etc.
As Kazimierz said -- this is war. And war isn't about running out into the battlefield with a blood curdling scream, madly flailing two swords around. Some might call that bravery, manliness, or even the only way to fight. But I say that's a quick way to get oneself killed and out of the game. If you want to win the war, you have to have strategy and discretion.
And furthermore, the enemies in question don't concern themselves with the "blood curdling scream while flailing two swords" type. Such opponents are short-lived, get nowhere, burn out, and are of no long-term consequence. For example, Fr. Pfeiffer. The real danger to our enemies comes from the experienced fighters who have truth, wisdom, self-control and discretion.