I don't understand this. Catholics have a duty to tell the truth, no matter what others may think.
I'll take the counterpoint for the sake of argument:
1)This is not always true we are to everywhere, all the time *volunteer* the truth.
I mean, if someone is seriously overweight, and they didn't ask you, you don't need to tap them on the shoulder and point it out, charitable as it may be if you're seriously concerned about their health.
So, as far as 'the crisis' goes, let's say nobody asked you. The NO parishioners did not inquire. Are we obligated to proactively inform them? Perhaps. Probably even, but they did not, in fact, *ask* us. Any of us.
2)Then there's the notion that if we know for certain it will change nothing, or quite likely to change nothing. Are we obligated if they'll shrug it off and continue to attend the same Mass, live the same life. Shrug either because they don't care, or think you're niggling, or simply don't even understand what you're talking about. There are simpler folks who will just say, "The Pope said I should pray these Luminous Mysteries, how can a Rosary be bad?" or whatever. Or they figure their priest is a 'nice guy' and who'd want to keep altar girls out of assisting in the Holy Mass?? Etc.
3)Lastly, consider mental reservation. We can reserve portions of the full truth if we feel it will do more harm than good or no good at all and significant harm. I understand some good and holy priests have used this under Godless totalitarian regimes. So consider the case our poster Terry of CMTV has brought up: Some people, when informed will simply despair. They might just stop attending Mass rather than finding a trad chapel, Society or independent or whatever. They might apostasize ("If we're so fractious, I may as well go protestant") or simply abandon the Faith ("We're supposed to be the true Church but it appears the gates of Hell have prevailed, ergo, we are not the Church Christ spoke of"). When you make a video and it is distributed to the masses, you don't know who you are talking to, who is on the receiving end. It could be a hazard to the simple minded, etc.
Terry's approach here seems prudent and has considered several angles all things considered.
They lack brevity, but not sound intentions.