|The congregation is blessed with incense as the celebrant carries on the prayers and|
ceremonies at the Altar. Dominican Rite Mass in Oxford.
The key point of the paper is that, while at least some 'special' lay roles in the liturgy are perfectly defensible - serving and singing being the obvious examples - even these don't exist for the sake of the liturgical participation of the people doing them. This is a crucial point. Without it the rest of the congregation may well feel excluded wrongly from graces available only to the parish elite.