I'm not at all comfortable with these priests taking their smart phones into the confessional

If "THEY" really want incriminating information then not only the priest's cell phone but every cell phone of those present at a chapel is a sneaky means to achieve that.
Nothing new here...in '88 in France  coppers demanded the complete list of the names of every single parishioner, like 100K. There has been an attempted murd er on an abortion "docter", and the state zoomed in on FSSPX . The secratary was scared so he gave the fat stack of names and addresses. Then the prior was super upset when he found out in the afternoon. Not too much harm was done, thank God!,  because the list that was surrended was only former / expired subscriptions:laugh1:
Moral of the story: If some law enforcement people want to enter your premises, then demand to see their Judge approved search warrant. Here in Canada, Churches are considered businesses, no different from a Wallmart or Petland.

I count Fr Ringrose as a personal friend of mine, and I have every confidence that he would tell them to pound sand.

No, what I meant was that they'd try to find informants from within his chapel.  I only saw this comment now that someone necro-bumped it.

I'm not at all comfortable with these priests taking their smart phones into the confessional

Oh no.  That’s worse. 

I speak for Ireland. For sometime in Ireland there were no SSPX public Masses, the churches were closed. They then opened for Mass once and were raided by the Gardai (Irish police force) and were shut down. After that no Masses were offered but secretly held sacraments of Penance and Eucharist. The lockdowns were severely enforced in Ireland. The only one to offer Public Masses during the lockdowns was the then Fr. Ballini which was why he was consecrated. They just did not know due to the severity of enforcement whether, Lord rest him, Bishop Williamson, would be able to enter Ireland again.