there v-link something/anything/nothing ADJ about n/-ing
The 'sacrosanct' group
These adjectives indicate that something is fixed, definite, or agreed, or not fixed, definite, or agreed.
Students are consumers. There is nothing sacred about educational institutions.
Nor is there anything sacrosanct about the opinions I have quoted or their authors.
The preposition about is sometimes followed by a noun group and an '-ing' clause. This pattern is there v-link something/nothing/anything ADJ about n -ing.
controversial equivocal final fundamental immutable sacred sacrosanct vague
There is nothing controversial about building water systems so that children in the North will have less diarrhoea.