Plenty of possible reasons. Pope Francis is petrified of Covid. Maybe he's trying to limit exposure of those in the Vatican.
Obviously not PC with Farancis
Alex A
The modern-day Opus Dei adherents seem to be unfathomable as any other 'sect' members. Maybe that has more to do with my comprehension/lack off for its existence in the first place.
Dr Bobus
Alex A
Through the Middle Ages religious orders and monasteries had lay branches--cf. the Oblates of Benedictine monasteries and the Third Orders of Dominicans, et al. The Jesuits, however, and other post Trent Orders lacked any lay branch. In a way Opus Dei is a reaction to such lacunae.