How does this priest know “if you do not do this or that…?” So far as I’m concerned, if I’m not committing a sin, it’s none of the priest’s or anyone else’s business. If it IS a sin, he’s bound to secrecy. Holding to one or another position on the pope question is not a sin. It’s not a sin to think, “I don’t know!”
A wise person keeps his mind engaged, his eyes and ears open, and his mouth shut!
It was not breaking the seal, no. One example- there was a big issue about Hounder's oils in the chapel. There were public and semi public online discussions through various social media outlets amongst the laity who attend(ed) the chapel, with the "blind-obedient-shut-up-stupid" on one side and others who did not want the invalid oils imposed on them nor their children for the confirmations and baptisms. So, the trouble makers (aka sedevacantists) were blackmailed to be quiet about it or else there will be no more access to sacraments in general for them. So naturally, they did no want any more part of that nonsense.