He wouldn’t stick his head in the sand and blame the people leaving the church and/or not attending mass.
Jesus, as the shepherd, would seek them out, and talk with them. Outreach can work if effective, if meaningful, if connecting with the audience.
The Church needs more people attending mass. It starts with getting people through the church doors, and returning because a priest is making them feel welcome and helping them better embrace their faith.
Energy matters. Communication matters. It is the world we live in.
Link: https://crisismagazine.com/opinion/catholics-are-rapidly-losing-ground