He's trolling them, of course, for their hypocrisy
So yesterday, 18 of them had a big and very public meeting with ex President Arroyo of "Hello Garci" fame.
Wikipedia on Hello Garci.
GMA (2008): Corruption scandals under GMA cost the Philippines 7.3 billion pesos.
In a statement, IBON said with six corruption scandals so far, including the $329.48-million ZTE broadband network scam, President Gloria Macapagal Arroyo has become the most corrupt president the country has ever had. ...
Other scandals under the Arroyo administration were the P728-million fertilizer scam, the Jose Pidal bank accounts, the Northrail project, the $14-million IMPSA power plant project, the P1.3-billion poll automation project, and the Macapagal Boulevard project.
Inquirer (2011) lists various scandals: including some missed from the previous post.
the appearance of bishops socializing with powerful politicians is not limited to dining with Gloria, alas.
and the bishops assure the president they are not trying to destablize the government.
Duterte plans to meet with a representative of the bishops to make nice, so the story is ongoing.
The bishops were pushing back against a statement by Pastor Saycon, a member of the government’s dialogue panel with religious groups, that he was not discounting the possibility that the Catholic Church could be used to destabilize the Duterte administration.
but he is promising a "moratorium" on his tirades.