Briefing; were it to be the case - Tradução em português

Home Office rebuked for 'highly selective' briefing on drugs seizures

Sir Michael Scholar has demanded the immigration minister, Damian Green, assure him that the advance briefing of partial class A drug seizures figures was not done to generate positive news coverage days ahead of the release of national statistics that showed an actual annual decline in the volume of drug seizures.
"Were it to be the case, the authority's view is that this would be highly corrosive and damaging public confidence in official statistics," Scholar warns Green.

Depois de "damaging" deveria ter a preposição "to", não é?